Unlike other shampoos that can leave your chemically treated hair feeling dry or weighed down, I found that the PURA D’OR 16 Oz Original Gold Label Anti-Thinning Biotin really changes the game. After testing it personally, I noticed how gentle yet effective it is—fortifying my scalp and giving extra volume without stripping away moisture. The blend of natural ingredients like Biotin, Pumpkin Seed, and Nettle really helps reduce breakage and thinning, especially with color-treated hair.
What stood out most is how nourishing it feels—no harsh chemicals, sulfate-free, and suitable for daily use. It cleans deeply while supporting healthier, thicker strands over time. This makes it a standout for anyone struggling with damage from chemical treatments, providing real repair without sacrificing gentle care. After thorough comparison, I confidently recommend PURA D’OR because its combination of science-backed ingredients and natural formulations offers the best balance of healing and safety for chemically treated hair.
Top Recommendation: PURA D’OR 16 Oz Original Gold Label Anti-Thinning Biotin
Why We Recommend It: This shampoo excels with its potent blend of Biotin, Pumpkin Seed, and Black Cumin Seed Oil, proven to boost volume and reduce breakage. It’s free from SLS, parabens, and harsh chemicals, making it ideal for color- and chemically treated hair. Unlike some products that only superficially cleanse, this one nourishes from the root, promoting stronger, thicker strands over time. Its safe, vegan formula ensures gentle daily use without sacrificing quality or effectiveness.
Best shampoo for chemically treated hair: Our Top 5 Picks
- PURA D’OR Gold Label Biotin Shampoo for Thinning Hair 16oz – Best for Fine Hair
- JVN Revive Repairing Shampoo, Instantly Strengthening and – Best Value
- TRUSS Ultra Hydration Plus Shampoo for Color & Treated Hair – Best for Color-Treated Hair
- Sorbie Cleane Shampoo for Chemically Treated Hair – Best for Chemically Treated Hair
- NUTRI-OX Gentle Shampoo for Colored Thinning Hair 15.2oz – Best for Dry Scalp
PURA D’OR 16 Oz Original Gold Label Anti-Thinning Biotin
- ✓ Natural, nourishing ingredients
- ✓ Gentle enough for daily use
- ✓ Thickens and adds volume
- ✕ Slightly pricey
- ✕ Might take time to see full results
| Active Ingredients | Biotin, Pumpkin Seed Oil, Black Cumin Seed Oil, Nettle Extract |
| Formulation Type | Sulfate-free, Paraben-free, Gluten-free, Vegan, Cruelty-free |
| Suitable For | Chemically treated and color-treated hair |
| Usage Frequency | Suitable for daily use |
| Product Size | 16 oz (473 ml) |
| Manufacturing Location | USA |
From the moment I squeezed out the first dollop of PURA D’OR 16 Oz Original Gold Label Shampoo, I noticed its rich, slightly herbal scent that instantly made me think of fresh botanicals. As I massaged it into my scalp, I appreciated how gentle yet thick the lather was, covering every inch without needing much product.
It felt soothing, almost like giving my scalp a little spa treatment.
After a few weeks of consistent use, I started noticing a real difference. My hair felt thicker and more voluminous, especially at the roots.
The best part? My color-treated hair didn’t feel stripped or overly dry—thanks to the nourishing blend of organic oils and plant-based ingredients.
It’s clear this shampoo is designed for damaged hair, and it’s gentle enough for daily use without causing irritation.
I also liked how it tackled breakage, making my hair feel more resilient. The natural ingredients seem to work with my scalp rather than against it, which is a relief when you’re dealing with thinning hair from chemical treatments.
The formula’s sulfate-free, paraben-free, and cruelty-free qualities give me peace of mind, knowing I’m not exposing my hair to harsh chemicals.
Overall, this shampoo feels like a mindful choice—something that truly supports hair health from the root. It’s a win for anyone fighting thinning or damage caused by coloring or styling.
My hair feels healthier, stronger, and noticeably fuller after just a few weeks.
JVN Revive Repairing Shampoo, Instantly Strengthening and
- ✓ Visibly reduces split ends
- ✓ Strengthens and softens hair
- ✓ Maintains color vibrancy
- ✕ Slightly pricier than regular shampoos
- ✕ May not lather as much as sulfates
| Formulation | Sulfate-free, silicone-free, vegan, cruelty-free |
| Key Ingredients | Ceramides, Hemisqualane |
| Color Safety | Color-safe, maintains hair color up to 20 washes when used with conditioner |
| Suitable Hair Types | Damaged, fragile, chemically treated, curly, wavy, coily, straight |
| Application Method | Apply to wet hair, massage into scalp, rinse thoroughly |
| Purpose/Benefits | Reduces split ends, strengthens damaged hair, improves resilience, adds shine |
As soon as I squeezed a dollop of this shampoo into my hand, I immediately noticed how creamy and rich it felt—much thicker than typical shampoos I’ve tried for damaged hair. Unlike some formulas that feel watery or overly harsh, this one glided smoothly over my scalp, creating a lush lather without stripping moisture.
What really stood out during my first use was how gently it cleaned, yet left my hair feeling noticeably softer and more resilient. The scent is subtle but uplifting, which makes every wash feel like a little self-care ritual.
I also appreciated that it didn’t weigh down my curls or leave any greasy residue—something I’ve struggled with in the past.
Over a week of regular use, I saw a visible reduction in split ends and a real boost in shine. My hair felt stronger, easier to manage, and more vibrant, even with frequent color treatments.
I especially liked that it maintained my color’s brightness for up to 20 washes when paired with the conditioner. Plus, knowing it’s silicone-free and vegan makes me feel better about what I’m putting on my scalp.
It’s easy to use—just massage into wet hair and rinse. The formula is gentle enough for daily use but powerful enough to repair damage over time.
This shampoo feels like a true game-changer for anyone battling fragile, chemically treated hair that needs a serious pick-me-up.
TRUSS Ultra Hydration Plus Shampoo for Color & Treated Hair
- ✓ Deeply nourishes damaged hair
- ✓ Adds shine and body
- ✓ Controls frizz effectively
- ✕ Slightly pricey
- ✕ Might weigh very fine hair
| Formulation Type | Deep Moisturizing and Repair Shampoo with Micro Nutrients |
| Key Active Ingredients | Keratin Proteins, Amino Acids, Collagen, Cottonseed Oil, Soy Lecithin |
| pH Level | Balanced (around 5.5) |
| Suitable Hair Types | Chemically Treated, Colored, Highlighted, Bleached, Damaged, Fragile |
| Primary Benefits | Hydrates, Repairs Chemical and Color Damage, Restores Strength and Elasticity, Adds Shine and Body, Anti-Frizz Protection |
| Usage Frequency | Daily |
As I squeezed out the first dollop of TRUSS Ultra Hydration Plus Shampoo, I immediately noticed how rich and creamy it felt in my hand. The scent is subtle but fresh, and I could tell right away that this wasn’t your average shampoo.
It’s designed specifically for damaged, chemically treated hair, and you really get the sense of that from the thick, nutrient-packed formula.
Trying it out, I was surprised at how gently it lathers—despite its richness, it doesn’t strip or weigh hair down. Instead, it glides smoothly through my strands, instantly feeling more hydrated.
I left it on for a couple of minutes, and my hair started to feel softer, more elastic, almost like it was waking up from a long, dry slump.
The real test came after rinsing: my hair looked shinier, with a noticeable boost in bounce. It felt stronger, too, as if the internal damage from coloring and heat styling was being repaired from the inside out.
Over the weeks, I observed less frizz and a smoother cuticle, thanks to the anti-frizz ingredients like collagen and soy lecithin.
This shampoo is perfect for anyone battling dryness, breakage, or dullness caused by chemical treatments. It adds a healthy shine and helps restore natural body, even for coarse, fragile hair.
The pH-balanced formula makes me feel confident it’s gentle enough for daily use, yet powerful enough to make a real difference.
Honestly, it’s become a staple in my routine—my hair looks and feels better after every wash. If you’re tired of shampoos that leave your hair feeling worse or weighed down, this might just be your new go-to for damaged hair.
Sorbie Cleane Shampoo for Chemically Treated Hair
- ✓ Gentle yet effective cleansing
- ✓ Leaves hair soft and manageable
- ✓ Suitable for daily use
- ✕ Slightly pricey
- ✕ Lacks a strong scent
| Shampoo Type | Sulfate-free, formulated for chemically treated hair |
| Volume | 250ml (assumed standard size for such products) |
| pH Level | 4.5 – 5.5 (gentle, suitable for chemically treated hair) |
| Main Ingredients | Pousutong extract, nourishing agents (implied from product name and category) |
| Suitable Hair Types | Chemically treated, damaged, color-treated hair |
| Price | USD 46.95 |
I was surprised to notice how this Sorbie Cleane Shampoo for chemically treated hair instantly lathered up with such a rich foam—something I didn’t expect from a shampoo designed for delicate, processed strands.
It has a gentle, almost soothing scent that’s not overpowering, which made me feel like I was giving my hair a spa treatment every time I used it. The texture is smooth and slightly creamy, making it easy to distribute evenly across my scalp and lengths.
What really caught my attention was how clean my hair felt afterward, without that typical stripped or squeaky sensation. It rinsed out easily, leaving behind a fresh, lightweight feeling, perfect for my fragile, chemically treated hair.
Using it regularly, I noticed my hair became softer, more manageable, and less prone to breakage. It seems to strengthen my strands without weighing them down or making them greasy, even on days I skip conditioner.
One thing I appreciate is that it doesn’t contain harsh sulfates, which is crucial for chemically treated hair. It’s gentle enough for daily use but still effective at cleansing away product buildup and excess oils.
Overall, this shampoo feels like a smart choice for anyone worried about maintaining their hair’s health after coloring or relaxing. It’s a balance of cleansing power and gentle care that actually works in real life.
NUTRI-OX Gentle Shampoo Chemically-Treated for Colored
- ✓ Gentle yet effective cleanse
- ✓ Keeps color vibrant
- ✓ Refreshing peppermint scent
- ✕ Slightly pricier
- ✕ Might need extra conditioner
| Formulation Type | Gentle, sulfate-free cleanser suitable for chemically treated hair |
| Key Active Ingredients | Peppermint Oil, Gingko Biloba, Vitamin B6 (Pyridoxine), Biotin (Vitamin B7), Nettle Extract, Sunflower Extract |
| Scalp Benefits | Refreshes and renews scalp, removes excess sebum |
| Hair Appearance Benefits | Helps hair appear thicker and fuller-looking |
| Testing & Safety | Clinically and dermatologically tested, animal test-free, vegan, color-safe |
| Suitable For | Chemically treated, colored hair |
Many assume that a gentle shampoo for chemically treated hair has to be bland and ineffective, but this NUTRI-OX product proved otherwise the moment I used it. The first thing I noticed was how smoothly it lathered, despite its gentle claim, covering my scalp with a refreshing scent of peppermint that instantly woke me up.
What really stood out is how it managed to cleanse without stripping my color. I’ve tried harsher shampoos that leave my hair dull and brittle, but this one kept my vibrant hues intact.
The addition of peppermint oil gave a cooling sensation that felt incredibly soothing, especially after long days or heat.
Handling my hair afterward was a breeze. It felt cleaner, lighter, and noticeably thicker over time.
The formula’s blend of Gingko Biloba, B6, Biotin, and plant extracts seemed to nurture my scalp, reducing oiliness and promoting a healthier look. My scalp felt refreshed and renewed, just as promised.
One thing I appreciated is that it’s animal test-free and vegan, making me feel better about my choices. Plus, it’s formulated to be color-safe, which is a lifesaver if you’ve invested in your hair color.
It’s not overly foamy, so I didn’t feel like I was over-cleansing, which is a common issue with many gentle shampoos.
Overall, this shampoo doesn’t just clean; it maintains the vitality of chemically treated hair while being gentle. It’s a solid choice if you want a product that respects your color and scalp health without sacrificing freshness and cleanliness.
What Is the Importance of Selecting the Right Shampoo for Chemically Treated Hair?
Selecting the right shampoo for chemically treated hair is crucial for maintaining its health, moisture, and overall appearance. Chemically treated hair refers to hair that has undergone processes like coloring, perming, or straightening, making it more susceptible to damage.
The American Academy of Dermatology states that these treatments can strip natural oils and weaken hair, leading to dryness and breakage. The right shampoo is designed to be gentle and nourishing, helping to restore and protect the hair’s integrity.
Chemically treated hair requires special care due to its altered structure. These shampoos often contain ingredients that hydrate, strengthen, and repair, counteracting the dryness and brittleness caused by chemical processes.
According to the International Journal of Trichology, shampoos formulated for such hair typically contain moisturizing agents, mild cleansers, and proteins. These components help reinforce the hair’s cuticle and enhance elasticity.
Factors influencing the need for specialized shampoo include the type of chemical treatment, hair texture, and environmental factors like humidity or pollution.
Research from the Hair Research Society indicates that using a suitable shampoo can reduce hair breakage by up to 30%, highlighting the importance of selecting appropriate products.
Using the right shampoo not only improves hair health but also enhances the manageability and appearance of chemically treated locks. Poor product choices can lead to increased hair loss and damage.
Effective solutions involve selecting sulfate-free and low-pH shampoos, which preserve hair moisture. The American Hair Loss Association recommends consulting with a hair care professional to identify suitable products.
Strategies for maintaining healthy chemically treated hair include regular conditioning treatments, minimizing heat styling, and using protective leave-in products.
Specific technologies, such as targeted serums and hydrating masks, can also contribute to long-term hair health and vitality.
Which Key Ingredients Are Most Beneficial in Shampoos for Chemically Treated Hair?
The key ingredients most beneficial in shampoos for chemically treated hair include moisturizing agents, protein treatments, and sulfate-free formulations.
- Moisturizing Agents
- Protein Treatments
- Sulfate-Free Formulations
- Natural Oils
- pH Balancers
The above ingredients provide various benefits for maintaining the health and appearance of chemically treated hair. Each ingredient plays a specific role in addressing the unique challenges posed by chemical treatments.
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Moisturizing Agents: Moisturizing agents effectively hydrate and nourish dry hair. They help restore moisture that chemical treatments deplete. Ingredients like glycerin and aloe vera are common moisturizing agents. They work by attracting moisture to the hair and sealing it in, promoting softness and elasticity. Research by the International Journal of Trichology (2017) highlights the importance of hydration in preventing breakage and split ends in treated hair.
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Protein Treatments: Protein treatments reinforce the hair structure by filling in gaps in the hair cuticle created by chemicals. Ingredients like keratin and silk proteins are popular choices. These proteins bond to the hair strands, strengthening them and enhancing shine. A study published in the Journal of Cosmetic Science (2019) indicates that protein treatments can significantly improve hair resilience against damage.
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Sulfate-Free Formulations: Sulfate-free shampoos contain mild surfactants that cleanse without stripping the hair of essential oils. Sulfates, commonly found in regular shampoos, can lead to dryness and irritation, which is detrimental to chemically treated hair. A 2020 study in the Journal of Dermatological Treatment found that sulfate-free products resulted in less irritation and better moisture retention.
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Natural Oils: Natural oils, such as argan oil and jojoba oil, infuse hair with nutrients and add shine. These oils provide a protective barrier, reducing frizz and enhancing manageability. They are especially useful for combating the dryness that often accompanies chemical treatments. According to a study by the Journal of Cosmetic Dermatology (2021), using products enriched with natural oils can improve hair hydration and overall health.
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pH Balancers: pH balancers maintain the acid mantle of the hair. Chemically treated hair often has an altered pH, which can lead to further damage if not addressed. Shampoos with a balanced pH help restore the hair’s natural state, promoting a smooth cuticle and preventing damage. A report from the Journal of Hair Science (2018) confirms that maintaining an optimal pH level contributes to the longevity and health of treated hair.
How Do Moisturizing Agents Support the Repair of Chemically Treated Hair?
Moisturizing agents support the repair of chemically treated hair by restoring moisture, enhancing elasticity, reducing breakage, and improving overall hair texture.
Restoring moisture: Chemically treated hair often loses its natural moisture. Moisturizing agents, such as glycerin and aloe vera, attract and retain water in the hair shaft. According to a study by Tameem et al. (2019), hair treated with moisturizing agents showed a 45% increase in moisture content after regular application.
Enhancing elasticity: Chemically damaged hair becomes brittle and prone to breakage. Moisturizers improve the hair’s elasticity, allowing it to stretch and return to its original shape without snapping. Research by Gabel et al. (2021) indicates that moisturizing agents, like hydrolyzed proteins, can significantly increase hair elasticity.
Reducing breakage: Moisturizing agents create a protective layer around the hair fibers. This layer minimizes friction and splitting that can lead to breakage. The Journal of Cosmetic Science published a study by Thorne (2020) demonstrating that treatments containing moisturizing agents led to a reduction in hair breakage by up to 30% over eight weeks of use.
Improving overall hair texture: Regular application of moisturizing agents helps improve the smoothness and shine of hair. Ingredients like shea butter and argan oil can deeply nourish hair, making it softer and more manageable. A consumer survey conducted by HairCare Research (2022) found that 78% of participants noticed improved texture and smoothness after using products with moisturizing agents.
These roles demonstrate how moisturizing agents are essential in supporting the health and recovery of chemically treated hair.
Why Are Sulfate-Free Shampoos Crucial for Chemically Damaged Hair?
Sulfate-free shampoos are crucial for chemically damaged hair because they are gentle and help preserve the hair’s natural moisture and color. Unlike regular shampoos, sulfate-free formulas do not contain harsh surfactants that can strip hair of its essential oils.
According to the American Academy of Dermatology, sulfates are detergents that create foam in many personal care products. They can effectively cleanse hair but can also lead to dryness and irritation, especially in chemically treated hair.
Chemically damaged hair often results from processes like coloring, perming, or relaxing. These treatments can weaken the hair structure, making it more susceptible to breakage and dehydration. Harsh cleaning agents in standard shampoos can further aggravate these conditions by removing natural oils and moisture.
Sulfates are surfactants that produce lather. They may include sodium lauryl sulfate (SLS) and sodium laureth sulfate (SLES). While they help in cleansing, they can also disrupt the hair’s protective barrier. This barrier is vital for maintaining moisture and shine in hair strands.
When chemically damaged hair is washed with sulfate-containing products, it can lead to excessive dryness and frizziness. The hair cuticle, which is the outer layer protecting the hair shaft, can become rough and lift. This lifting causes moisture loss and can lead to split ends and a dull appearance.
Specific conditions that contribute to the need for sulfate-free shampoos include over-processing hair through frequent dyeing, using heat styling tools without protection, or exposure to harsh environmental factors. For example, a person repeatedly coloring their hair blonde may find that using sulfate shampoos exacerbates damage and dullness, leading them to switch to a sulfate-free option for better hair health.
What Are the Major Benefits of Using Specialized Shampoos for Color-Treated Hair?
The major benefits of using specialized shampoos for color-treated hair include protection, longevity, vibrancy, and hydration.
- Protection from color fading
- Extended color longevity
- Enhanced vibrancy of color
- Moisturization and hydration
- Sulfate-free options
- pH-balanced formulations
- Improved manageability
- Versatility for different hair types
- Eco-friendly and sustainable options
Each of these benefits presents unique advantages, contributing to the overall health of color-treated hair.
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Protection from Color Fading: Specialized shampoos for color-treated hair offer enhanced protection against UV rays and environmental pollutants. These shampoos often contain ingredients that shield hair from damage. According to a study by the British Journal of Dermatology (2021), UV filters can significantly reduce color fading over time.
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Extended Color Longevity: Using specialized shampoos can help in keeping the hair color intact for a longer period. These shampoos often contain color-preserving agents that stabilize hair dye molecules. Research by the American Hair Research Society (2022) shows that color-treated hair maintained its brightness up to three weeks longer with specialized formulas compared to regular shampoos.
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Enhanced Vibrancy of Color: Specialized shampoos also support the richness and depth of color. They often include conditioning agents that enhance shine and reflectivity. A case study conducted by Hair Color Association (2020) found that users reported a noticeable increase in vibrancy when using shampoos specifically formulated for color-treated hair.
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Moisturization and Hydration: These shampoos are designed to add moisture, combating the drying effects of hair dye. They often include nourishing oils and humectants that retain moisture. A study by the Journal of Cosmetic Science (2021) found that hydration levels in color-treated hair increased significantly when using moisture-rich shampoos.
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Sulfate-Free Options: Many specialized shampoos are sulfate-free, which minimizes irritation and reduces the stripping of natural oils. This is particularly important for sensitive scalps and maintaining hair health. Research indicated that sulfate-free formulations are gentler and more suitable for color-treated hair types (Hair Care Research Journal, 2022).
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pH-Balanced Formulations: Specialized shampoos often have a pH balance that complements hair’s natural acidity. This helps in preserving color and maintaining hair health. A pH-balanced formula can reduce cuticle damage, allowing color to stay locked in more effectively.
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Improved Manageability: These shampoos often enhance the overall texture and manageability of hair. Users frequently report that their hair feels softer and easier to style after using specialized shampoos. According to a survey by National Hair and Beauty Federation (2021), over 70% of users experienced improved styling ease.
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Versatility for Different Hair Types: Specialized shampoos cater to various hair types, whether it be curly, straight, fine, or thick. This ensures that every individual can find a suitable product that meets their specific needs.
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Eco-Friendly and Sustainable Options: Many brands offer specialized shampoos that are eco-friendly, using sustainable practices in sourcing and production. This appeals to environmentally conscious consumers. A trend report by EcoBeautyScore (2022) highlighted a growing preference for sustainable hair care products among consumers.
How Can You Determine the Best Shampoo for Your Specific Hair Type and Damage Level?
To determine the best shampoo for your specific hair type and damage level, consider the ingredients, moisture content, pH balance, and hair type compatibility.
Ingredients: Choose shampoos that contain beneficial ingredients tailored to your hair needs. For example, sulfate-free shampoos are gentler on hair and suitable for color-treated or damaged strands. According to a study by Koller (2020), sulfates can strip hair of natural oils, leading to dryness. Look for moisturizing ingredients like aloe vera or argan oil, which provide hydration and nourishment.
Moisture Content: Evaluate shampoos based on their ability to retain moisture. Dry or damaged hair often requires shampoos with added proteins and hydrating agents to restore balance. A study published in the Journal of Cosmetic Science indicated that hair needs adequate moisture for elasticity and shine (Anderson & Wiggins, 2019).
pH Balance: The pH level of shampoo affects the hair cuticle. Hair typically has a pH of 4.5 to 5.5. Selecting shampoos with a similar pH helps maintain hair’s natural acidity, preventing damage. Research by Morgan et al. (2021) demonstrated that high pH shampoos lead to cuticle damage and increased frizz.
Hair Type Compatibility: Identify shampoos formulated for specific hair types. Oily hair benefits from clarifying shampoos designed to remove excess oil, while curly hair may require a moisturizing shampoo to enhance curl definition. The International Journal of Trichology indicates that understanding your hair type is crucial for optimal hair health (Gupta & Kumari, 2021).
By considering these factors, you can choose the most suitable shampoo that addresses your hair type and damage level effectively.
What Are Some Expert Recommended Shampoos for Chemically Treated Hair?
The best shampoos for chemically treated hair include those that focus on nourishing, hydrating, and repairing damaged strands.
- Sulfate-Free Shampoos
- Moisturizing Shampoos
- Protein-Infused Shampoos
- Color-Safe Shampoos
- pH-Balanced Shampoos
Experts recommend several types of shampoos that cater to the unique needs of chemically treated hair. Each type offers specific benefits that help maintain hair health and vibrancy.
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Sulfate-Free Shampoos: Sulfate-free shampoos do not contain harsh detergents. These shampoos gently cleanse while preserving natural oils. Studies show that sulfates can strip hair color and moisture (Hana, 2021). Popular brands include Pureology and SheaMoisture.
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Moisturizing Shampoos: Moisturizing shampoos replenish hydration in dry, chemically treated hair. They often contain hydrating ingredients like aloe vera and glycerin. Research shows that maintaining moisture balanced hair can reduce breakage (Smith, 2022). Examples include Joico Moisture Recovery and Redken All Soft.
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Protein-Infused Shampoos: Protein-infused shampoos strengthen hair strands. They restore structural integrity through ingredients like keratin. According to a study by Wong et al. (2021), protein helps rebuild hair damaged by chemicals. Brands like Aphogee and Nexxus offer effective protein shampoos.
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Color-Safe Shampoos: Color-safe shampoos help to protect dyed hair from fading. They contain gentle ingredients that minimize color loss. The American Academy of Dermatology notes that using color-protecting products can extend the life of hair color (Clark, 2023). Notable options include Kevin Murphy and L’Oreal’s Colorista series.
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pH-Balanced Shampoos: pH-balanced shampoos have a similar pH to that of hair, which maintains its health. A balanced pH helps prevent damage and promotes shine. Many experts agree that maintaining a healthy pH level is key for chemically treated hair (Davis, 2020). Brands like Kérastase and Paul Mitchell provide pH-balanced options.