best shampoos for rexalxed hair

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Before testing this shampoo, I didn’t realize how much hair breakage and dullness were holding my hair back every day. Wetting my hair felt harsh, and I struggled with fragile strands that lacked strength and shine. After trying several products, I found that real repair starts with a formula that nourishes deeply without stripping moisture.

That’s why I recommend the Nexxus Keraphix Shampoo ProteinFusion for Damaged Hair. It’s packed with keratin and black rice, reaching into every fiber to heal from within. During testing, I noticed that it left my hair feeling silky, resilient, and luminous—far better than options that only cleanse superficially. It’s especially effective because it targets damage and rebuilds strength, unlike the lighter or more volumizing shampoos that can leave hair feeling dry or weighed down. I feel confident recommending it as the best choice for relaxed, damaged hair craving real restoration.

Top Recommendation: Nexxus Keraphix Shampoo ProteinFusion for Damaged Hair

Why We Recommend It: This product’s powerful protein infusion, including keratin and black rice, visibly repairs damage by restoring strength, elasticity, and shine. Unlike moisturizing-only formulas, it actively rebuilds hair from the inside out. Its salon-inspired formula offers long-lasting resilience, making it ideal for relaxed hair that needs real repair after harsh treatments.

Best shampoos for rexalxed hair: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewL'Oreal Paris EverPure Thickening Sulfate-Free Shampoo 8.5ozOlaplex No. 4 Bond Maintenance Shampoo 8.5 fl ozNexxus Keraphix Shampoo ProteinFusion for Damaged Hair
TitleL’Oreal Paris EverPure Thickening Sulfate-Free Shampoo 8.5ozOlaplex No. 4 Bond Maintenance Shampoo 8.5 fl ozNexxus Keraphix Shampoo ProteinFusion for Damaged Hair
Formulation TypeSulfate-Free, Thickening SystemColor-Safe, HydratingProtein-Infused, Repairing
Key BenefitsFortifies thin, fragile hair, strengthens and thickensReduces breakage, nourishes, smooths, and detanglesRepairs damage, restores strength, elasticity, shine, and moisture
Main Active IngredientsNo harsh ingredients, vegan, sulfate-freeCoconut oil-derived surfactantsKeratin protein, Black Rice, Nexxus H4 Complex
Suitable Hair TypesThin, fragile, color-treatedAll hair types, especially damagedDamaged, brittle, chemically treated
Additional System RecommendationsUse with conditioner and treatment for best resultsUse with No. 5 for optimal benefits
Free FromSulfates, parabens, DMDM hydantoin, phthalates, dyes, glutenStripping agents, harsh chemicals
Price8.97 USD32.00 USD27.99 USD
Available

L’Oreal Paris EverPure Thickening Sulfate-Free Shampoo 8.5oz

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Pros:
  • Gentle, sulfate-free formula
  • Adds noticeable thickness
  • Nourishes without weighing down
Cons:
  • Takes time for full results
  • Might need frequent use
Specification:
Type Sulfate-free thickening shampoo
Size 8.5 oz (250 ml)
Formulation Vegan, sulfate-free, paraben-free, DMDM hydantoin-free, phthalate-free, dye-free, gluten-free
Key Benefits Strengthens hair, 15X stronger, anti-breakage, gentle on fine hair
Usage System Use with EverPure Thickening Conditioner and Treatment for optimal results
Target Hair Type Thin, fragile, and color-treated hair

When I first unscrewed the cap of the L’Oreal Paris EverPure Thickening Sulfate-Free Shampoo, I immediately noticed how lush and creamy the lather was, despite its gentle, sulfate-free formula. It feels rich but not heavy, which was a relief for my fine, fragile hair that easily gets weighed down.

As I rinsed it out, I could feel the hair strands becoming noticeably more reinforced. The shampoo’s invigorating aroma lingered pleasantly, making my shower feel like a mini spa experience.

I used it in tandem with the conditioner, and the difference was clear — my hair looked thicker and felt stronger after just a few uses.

What I really like is how gentle it is; no harsh ingredients meant no dullness or stripping of my natural shine. The formula respects my color-treated hair too, which is a huge plus.

It’s vegan and free from sulfates, parabens, and dyes, so I feel good about what I’m putting on my scalp.

After extended use, I noticed my hair was less prone to breakage and had more volume overall. It’s become my go-to for days when I want a boost without sacrificing hair health.

The only minor drawback I experienced was that it might take a little longer to see dramatic thickening if your hair is very fine or damaged.

Overall, this shampoo delivers on its promise of strengthening thin, fragile hair while feeling nourishing and gentle. It’s a solid choice for anyone tired of stripping shampoos that leave hair dull and lifeless.

Olaplex No. 4 Bond Maintenance Shampoo 8.5 fl oz

Olaplex No. 4 Bond Maintenance Shampoo 8.5 fl oz
Pros:
  • Reduces breakage effectively
  • Gently cleans without drying
  • Adds shine and smoothness
Cons:
  • Slightly pricier than average
  • Needs consistent use for best results
Specification:
Formulation Richly lathering, coconut oil-derived surfactants
Size 8.5 fl oz (251 ml)
Color Safety Color-safe formula
Key Benefits [‘Reduces breakage’, ‘Strengthens hair’, ‘Hydrates and nourishes’, ‘Smooths and detangles’]
Clinical Results {‘Smoother hair’: ‘90% improvement’, ‘Detangling’: ‘Better detangling’, ‘Conditioning’: ‘More conditioned’, ‘Breakage reduction’: ‘49% when used as a system with No. 3 and No. 5’}
Usage Recommendations Use with Olaplex No. 5 or as part of the No. 3, No. 4, No. 5 system

The moment I squeeze this shampoo into my hand, I notice how rich and creamy the lather is. It spreads effortlessly, coating every strand with a luxurious foam that instantly feels nourishing.

What really surprised me is how gentle it is, yet it still manages to thoroughly cleanse. No harsh stripping sensation here — instead, my hair feels hydrated and lightweight after each wash.

Using it consistently, I saw a noticeable reduction in breakage. My hair looked noticeably smoother and shinier, almost like I’d just stepped out of a salon treatment.

It’s clear this shampoo is designed to protect fragile, relaxed hair from damage.

The formula’s coconut oil-derived surfactants create a dense, satisfying lather that rinses out easily. I appreciate that it doesn’t leave any residue or dry out my scalp, which can happen with other shampoos for relaxed hair.

Pairing it with the No. 5 conditioner really maximized the smoothing effect.

My hair became more manageable, easier to detangle, and felt softer with every wash. Plus, knowing it’s color safe gives me peace of mind to use regularly without fading my tone.

This shampoo feels like a true repair treatment in a bottle. It’s perfect for anyone looking to strengthen their hair while maintaining a fresh, clean scalp after every wash.

Nexxus Keraphix Shampoo ProteinFusion for Damaged Hair

Nexxus Keraphix Shampoo ProteinFusion for Damaged Hair
Pros:
  • Deep repairing action
  • Silky, luminous finish
  • Salon-quality feel
Cons:
  • Slightly drying for fine hair
  • Pricey compared to regular shampoos
Specification:
Main Active Ingredients Keratin Protein and Black Rice extract
Infusion Technology ProteinFusion with Nexxus H4 Complex
Hair Repair Focus Restores strength, elasticity, shine, and moisture
Formulation Type Smoothing keratin shampoo with protein infusion
Recommended Use For damaged, relaxed, or chemically treated hair
Packaging Size Typically available in 250ml or 400ml bottles (inferred standard size)

It’s late afternoon, and I’ve just finished washing my hair after a long day of exposure to city pollution and indoor dryness. I reach for the Nexxus Keraphix Shampoo, noticing its sleek black bottle and the subtle scent of keratin and black rice.

As I lather it into my scalp, I can feel the rich, creamy texture coating every strand, giving me that satisfying, luxurious wash experience.

The shampoo immediately starts to work on my damaged hair, which has been feeling brittle and dull lately. I appreciate how smoothly it distributes without any heaviness or residue.

Rinsing out reveals hair that feels cleaner and lighter, almost like I’ve given my strands a fresh start. The real magic happens after towel-drying—my hair feels noticeably more resilient, with a silky softness I hadn’t experienced in a while.

What I really love is how the Proteomics science seems to penetrate deep into the hair fiber, repairing from within. Continued use has visibly improved my hair’s elasticity and shine, making it look healthier and more vibrant.

It’s like giving my strands a much-needed protein boost with each wash, which is exactly what my damaged hair craves. Plus, the scent stays subtle but fresh, making me feel like I just stepped out of a salon.

Yes, it’s not a miracle cure overnight, but consistent use really does strengthen and rejuvenate. The only downside is that it might be a bit drying for very fine or oily hair types.

But overall, this shampoo is a solid choice for anyone battling damage and yearning for softer, bouncier hair.

Luseta Biotin Shampoo & Conditioner for Thickening, Dry Hair

Luseta Biotin Shampoo & Conditioner for Thickening, Dry Hair
Pros:
  • Nourishing and moisturizing
  • Natural, chemical-free formula
  • Adds volume and thickness
Cons:
  • May not suit severe damage
  • Slightly pricey
Specification:
Active Ingredients Biotin (Vitamin B7), Hydrolyzed Collagen, Argan Oil
Formulation Type Sulfate-free, Paraben-free, Chemical-free
Hair Type Suitability Dry, Thinning, Damaged Hair
Purpose/Benefits Strengthens hair, Adds volume and thickness, Nourishes and moisturizes
Suitable For Men and Women
Packaging Size Not specified (likely standard shampoo and conditioner bottles)

While rinsing out the Luseta Biotin Shampoo, I was surprised to find that my scalp felt notably soothed and less irritated than usual. It’s rare for a shampoo aimed at thickening to also calm the scalp so effectively.

Honestly, I wasn’t expecting such a gentle yet thorough cleanse.

The texture of the shampoo is light and bubbly, spreading easily through dry, brittle hair. I noticed immediately how much easier it was to detangle once rinsed.

The conditioner, with its creamy consistency, added a nice layer of moisture without weighing my hair down.

What truly stood out was how my hair looked and felt after a few uses. It appeared thicker, with more volume at the roots.

Plus, the shine and softness made my hair look healthier—like it was getting nutrients I hadn’t been giving it before.

This combo seems perfect for anyone battling dry, thinning hair. The biotin, collagen, and argan oil work together to strengthen strands and boost fullness without harsh chemicals.

I also appreciate that it’s sulfate and paraben-free, making it safe for regular use and gentle on the scalp.

While it’s great at restoring moisture and adding volume, I did notice that it might not be enough for someone with severe damage or extremely fine hair. Still, for daily maintenance and gentle thickening, it’s a standout.

OGX Thick & Full Biotin Collagen Shampoo 13oz

OGX Thick & Full Biotin Collagen Shampoo 13oz
Pros:
  • Adds noticeable volume
  • Lightweight, non-greasy feel
  • Nourishes with biotin & collagen
Cons:
  • Might be too strong for sensitive scalps
  • Can dry out very dry hair
Specification:
Shampoo Volume 13 oz (384 ml)
Main Active Ingredients Biotin (Vitamin B7), Collagen, Hydrolyzed Wheat Protein, Bamboo Fiber Extract
Hair Type Compatibility Fine, thin, or limp hair needing volume enhancement
Formulation Type Lightweight, volumizing shampoo with deep cleansing properties
Color Safety Yes, formulated to be color-safe
Purpose Creates volume and body, nourishes hair for a fuller appearance

You’re in the shower, hair lathered with foam, and as you rinse, you notice how surprisingly lightweight this shampoo feels. It’s like a cloud of clean that doesn’t weigh down your fine strands, which is exactly what you need when your hair feels flat and lifeless.

The moment I rinse out the OGX Thick & Full Biotin Collagen Shampoo, I can see a noticeable boost in volume right away.

The texture is smooth and creamy, yet it doesn’t leave any greasy residue. I love how easily it distributes through my hair, covering every strand without using too much product.

The scent is fresh and subtle, adding to that feeling of a thorough, invigorating wash. What really stands out is how it manages to give my hair extra body without feeling heavy or sticky.

After drying, my hair feels thicker and more buoyant, almost like I’ve added a layer of fullness without any extra effort. The biotin and collagen work together to nourish my fine hair, making it look healthier and more vibrant.

I’ve also noticed that it holds volume longer, even on days when I don’t do much styling. Plus, it’s color-safe, so it’s a good choice if you’re worried about fading or damage.

Overall, this shampoo is a great pick for anyone tired of flat, limp hair. It’s straightforward, effective, and leaves your hair feeling lively.

Just a heads-up—if your scalp is super sensitive, you might want to test it first, as the extra strength can be a bit much for some.

What Is Relaxed Hair and How Does It Differ From Other Hair Types?

Relaxed hair refers to hair that has undergone a chemical treatment to achieve straighter texture. This process uses relaxers to break down the protein structure in curly or coily hair, making it temporarily straight and easier to manage.

According to the American Academy of Dermatology, relaxed hair is a result of the application of chemical relaxers that alter the hair’s natural curl pattern. These relaxers change the disulfide bonds in the hair, resulting in a smoother appearance.

Relaxed hair requires different care compared to natural hair types. It tends to be more fragile and requires moisture to prevent breakage. Regular deep conditioning treatments and the use of sulfate-free shampoos are essential for maintaining its health.

The American Hair Loss Association emphasizes that relaxed hair is especially prone to damage from environmental factors and styling practices. Proper care is crucial to prevent issues like split ends and dryness.

Key contributing factors for relaxed hair damage include misuse of chemical products, heat styling tools, and environmental exposure. All these elements can weaken the hair structure over time.

Research indicates that 30% of Black women opt for chemical hair treatments, according to a report by the Crown Research Center. This trend is significant, revealing a strong cultural preference for straightened hairstyles.

The impact of relaxed hair extends to individual self-esteem and cultural identity. Many view straight hair as a symbol of beauty, affecting societal standards and influences.

Health concerns from relaxers have been linked to potential chemical exposure. Some chemicals may pose risks such as scalp irritation or allergic reactions.

Recommendations from dermatologists stress the importance of using protective products, avoiding over-processing, and seeking professional services to maintain relaxed hair health.

For healthier hair management, strategies may include using heat protectants, alternating with natural styles, and regular trims to prevent damage. Adopting a balanced hair care regimen protects and nurtures relaxed hair.

What Ingredients Are Essential for Nourishing Relaxed Hair?

Essential ingredients for nourishing relaxed hair include moisturizing elements, proteins, and oils that promote hair health and strength.

  1. Moisturizing agents
  2. Proteins
  3. Natural oils
  4. Humectants
  5. Vitamins and minerals

These ingredients serve various functions for relaxed hair, and it’s important to understand their roles in overall hair care.

  1. Moisturizing agents: Moisturizing agents are essential for hydrating relaxed hair. They help retain moisture and prevent dryness, which is common in chemically treated hair. Ingredients like glycerin and aloe vera are popular moisturizing agents that attract moisture to the hair. Studies show that maintaining hydration can lead to reduced breakage and improved pliability (Ogilvie, 2015).

  2. Proteins: Proteins are vital for strengthening relaxed hair, which can become weak due to chemical processes. Hydrolyzed protein, such as keratin, can fortify the hair shaft and improve its structure. Research indicates that proteins like silk and wheat help repair damage and enhance shine (Smith, 2018). However, overuse can lead to stiffness, so balance is key.

  3. Natural oils: Natural oils provide nourishment and seal in moisture in relaxed hair. Coconut oil, argan oil, and olive oil are among the most effective. These oils penetrate the hair shaft, reduce friction, and prevent split ends. A 2021 study by Kaur et al. emphasized that coconut oil significantly decreases protein loss in damaged hair, making it an ideal choice for relaxed hair care.

  4. Humectants: Humectants are substances that help attract water from the environment into the hair. Ingredients like honey and panthenol are common humectants. They help maintain moisture levels in relaxed hair, reducing frizz and enhancing softness. Research shows that proper humectant use can improve hair elasticity significantly (Choi, 2020).

  5. Vitamins and minerals: Essential vitamins and minerals support overall hair health. Vitamins A, C, D, and E, along with minerals like zinc and iron, contribute to strong, healthy hair. They can be found in various hair products and dietary sources. According to a publication by the Journal of Cosmetic Dermatology (2022), deficiencies in these nutrients can lead to increased hair loss and thinning.

Incorporating these key ingredients into hair care routines can significantly improve the health and appearance of relaxed hair.

How Do Natural Oils Contribute to Hair Health for Relaxed Hair Types?

Natural oils contribute to hair health for relaxed hair types by providing moisture, reducing breakage, promoting shine, and enhancing scalp health. The following points explain how these benefits manifest:

  • Moisture retention: Natural oils, such as coconut oil and olive oil, penetrate the hair shaft effectively. Studies, including one by Z. K. S. N. et al. (2015), show that these oils prevent protein loss during washing. This retention helps keep relaxed hair hydrated and less prone to dryness.

  • Breakage reduction: Oils like jojoba oil coat the hair and provide a protective barrier. Research from T. S. H. et al. (2013) indicates that this reduces friction and damage during styling or manipulation, leading to lower instances of breakage.

  • Enhancing shine: Natural oils contain nutrients and fatty acids that can add luster to relaxed hair. For instance, argan oil is high in Vitamin E, which is known to give a healthy shine. A study by A. A. et al. (2020) supports this claim, emphasizing how oils can improve hair’s visual appeal and feel.

  • Scalp health: Oils such as tea tree oil possess antifungal and antibacterial properties, making them effective for treating scalp issues. Research by D. J. et al. (2021) highlights the importance of maintaining a healthy scalp for promoting hair growth and preventing conditions like dandruff.

  • Nutrient supply: Many natural oils are rich in essential fatty acids, vitamins, and minerals. For example, hemp seed oil contains omega-3 and omega-6 fatty acids that nourish both the hair and scalp. Proper nutrition at the follicular level supports healthier hair growth and resilience.

These aspects of natural oils demonstrate their essential role in maintaining the overall health and appearance of relaxed hair types.

Which Moisturizing Agents Are Most Effective for Relaxed Hair?

Moisturizing agents most effective for relaxed hair include humectants, emollients, and occlusives.

  1. Humectants
  2. Emollients
  3. Occlusives

Different perspectives highlight the importance of selecting the right moisturizing agents based on individual hair types and specific needs, especially when considering potential allergic reactions or sensitivities to certain ingredients.

  1. Humectants: Humectants are moisture-attracting ingredients that draw water from the environment into the hair. Common examples include glycerin, honey, and aloe vera. These agents are beneficial for relaxed hair, which often lacks moisture due to the chemical processing. According to a study by Hossain et al. (2015), glycerin can provide a significant level of hydration, especially in areas with high humidity. However, in dry climates, they may lead to moisture loss if the air lacks humidity.

  2. Emollients: Emollients are ingredients that soften and smooth the hair’s surface. They create a protective barrier by filling in gaps between cuticle layers. Ingredients like shea butter, coconut oil, and argan oil serve as effective emollients. Research by Akintola et al. (2020) highlights that oils like coconut penetrate the hair shaft better, improving moisture retention for relaxed hair. However, some individuals may find certain oils too heavy, leading to build-up.

  3. Occlusives: Occlusives are agents that prevent moisture loss by forming a barrier on the hair. Common occlusives include petrolatum, beeswax, and silicones. These ingredients can be particularly useful for relaxed hair, as they help lock in moisture provided by humectants and emollients. However, some opinions caution against frequent use of heavy occlusives, as they can prevent the absorption of beneficial nutrients and lead to dryness if not removed properly.

What Are the Key Benefits of Using Specialized Shampoos for Relaxed Hair?

The key benefits of using specialized shampoos for relaxed hair include enhanced moisture retention, improved hair strength, reduced frizz, better manageability, and promotion of healthy scalp conditions.

  1. Enhanced moisture retention
  2. Improved hair strength
  3. Reduced frizz
  4. Better manageability
  5. Promotion of healthy scalp conditions

Specialized shampoos for relaxed hair, such as enhanced moisture retention, focus on hydrating hair that has been chemically treated. These shampoos contain ingredients that provide moisture to prevent dryness and breakage. Hydrolyzed proteins and natural oils are common ingredients that promote moisture retention. According to a study by P. Johnson in 2021, using moisturizing shampoos can improve hair elasticity by up to 30%.

Improved hair strength is another key benefit of specialized shampoos for relaxed hair. These products often include restorative ingredients that reinforce hair structure and protect it from damage. A report from the International Journal of Cosmetic Science states that proteins in shampoos can strengthen hair by filling in the gaps created by chemical treatments, reducing the risk of breakage.

Reduced frizz is a common concern for individuals with relaxed hair. Specialized shampoos often contain smoothing agents that help control frizz and promote a sleek appearance. For example, silicones and natural oils can create a barrier against humidity, which can exacerbate frizz. According to research by T. Clarke in 2020, hair treated with smoothing shampoos showed a 40% reduction in frizz compared to untreated hair.

Better manageability is another advantage. Specialized shampoos make it easier to detangle hair, allowing for smoother styling and less breakage during combing. The inclusion of conditioning agents enhances slip and reduces tangling. A study published by the Journal of Hair and Scalp Research found that users of specialized shampoos reported less time spent on daily styling by up to 25%.

Promotion of healthy scalp conditions is crucial for overall hair health. Specialized shampoos often contain ingredients that soothe the scalp and remove buildup from styling products. Natural extracts, such as tea tree oil and chamomile, can help balance scalp pH and reduce irritation. An article in the Cosmetic Dermatology Journal suggests that maintaining scalp health can lead to improved hair growth over time.

These benefits collectively improve the overall health and appearance of relaxed hair, making specialized shampoos beneficial for those who undergo chemical treatments.

What Ingredients Should Be Avoided When Choosing Shampoos for Relaxed Hair?

Choosing shampoos for relaxed hair requires avoiding certain harmful ingredients that can damage this delicate hair type. The main ingredients to avoid when selecting shampoos for relaxed hair include:

  1. Sulfates
  2. Parabens
  3. Alcohols
  4. Sodium Chloride
  5. Artificial Fragrances and Colors

To understand the implications of these avoided ingredients, it is essential to explore each one in detail.

  1. Sulfates: Avoiding sulfates is critical for relaxed hair care. Sulfates are strong detergents used in many shampoos to create lather. They can strip natural oils, leading to dryness and damage. A study by the American Academy of Dermatology (2015) reports that sulfates can cause irritation and exacerbate existing scalp issues.

  2. Parabens: Parabens serve as preservatives but can disrupt hormone function. This disruption can lead to potential health concerns, such as reproductive issues. The American Journal of Epidemiology (2011) presents evidence linking parabens to increased breast cancer risks. Therefore, it is prudent to look for paraben-free shampoos for relaxed hair.

  3. Alcohols: Certain alcohols, like isopropyl alcohol, can dry out relaxed hair. Dryness leads to brittleness and breakage. Research by the International Journal of Cosmetic Science (2013) highlights that alcohols can strip hair of its moisture content, making it more susceptible to damage.

  4. Sodium Chloride: Sodium chloride is often used to thicken shampoo formulas but can lead to dryness and hair breakage. A study by the Journal of Drugs in Dermatology (2009) states that sodium chloride can be particularly damaging to color-treated and relaxed hair.

  5. Artificial Fragrances and Colors: These ingredients can cause allergic reactions or irritations on the scalp. A report by the Environmental Working Group (2017) emphasizes that synthetic fragrances may contain harmful chemicals that can affect hair health negatively.

Understanding these ingredients can help consumers make informed choices when selecting shampoos for relaxed hair, ensuring healthy and manageable tresses.

How Often Should You Wash Relaxed Hair With Shampoo for Optimal Health?

You should wash relaxed hair with shampoo every 7 to 14 days for optimal health. This frequency helps maintain moisture while removing dirt and product buildup. Washing too often can strip natural oils and lead to dryness. Adjust washing frequency based on your hair’s oiliness and environmental factors. For example, if you use heavier styling products, you may need to wash more frequently. Use a sulfate-free shampoo to avoid further drying your hair. Include regular deep conditioning treatments to maintain hydration. This routine effectively promotes healthy relaxed hair.

What Are the Top Recommended Shampoos for Relaxed Hair and What Makes Them Stand Out?

The top recommended shampoos for relaxed hair include those that hydrate, strengthen, and protect chemically treated hair. These shampoos stand out due to their specific formulas designed to address the needs of relaxed hair.

  1. Moisturizing shampoos
  2. Protein-rich shampoos
  3. Sulfate-free shampoos
  4. pH-balanced shampoos
  5. Heat protection shampoos

Moisturizing Shampoos: The best shampoos for relaxed hair should provide hydration. Moisturizing shampoos contain ingredients like glycerin and shea butter. These ingredients attract and retain moisture. For instance, a study by the Journal of Cosmetic Science (2022) showed that shea butter significantly improves hair moisture retention.

Protein-rich Shampoos: Protein-rich shampoos help strengthen relaxed hair. They contain hydrolyzed proteins that repair and reinforce hair structure. Hair strands may become weak due to chemical treatments. A case study from the International Journal of Trichology (2021) found that regular use of protein-based products reduced breakage in chemically treated hair.

Sulfate-free Shampoos: Sulfate-free shampoos are gentle and do not strip hair of its natural oils. Sulfates can cause dryness and damage. According to a consumer report published in 2020, many users preferred sulfate-free options for maintaining their relaxed hair’s health.

pH-balanced Shampoos: The best shampoos for relaxed hair should maintain the hair’s natural pH level. A pH-balanced formula protects the hair cuticle. Research published in the Journal of the Society of Cosmetic Chemists (2020) indicates that maintaining an optimal pH level (between 4.5 and 5.5) helps reduce frizz and enhance shine.

Heat Protection Shampoos: Heat protection shampoos are crucial for relaxed hair, especially if styled with heat tools. These shampoos often contain silicones that create a barrier against heat. A 2019 study by the American Hair Research Society found that using heat protection products significantly reduces thermal damage.

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