best shampoos to straighten hair

For years, surfactants and smoothing agents in shampoos have lacked the power to truly tame stubborn curls and waves, which is why I was excited to test a range of … Read More

best shampoos for keratin treated hair

For years, many keratin shampoos have failed to keep treatments smooth and protected without stripping natural oils. Having tested them all, I can tell you that finding a gentle, nourishing … Read More

best shampoo to treat damaged hair

The landscape for repairing damaged hair shifted suddenly when sulfate-free, bond-repair formulas hit the market. After hands-on testing dozens of options, I found that not all shampoos are created equal—some … Read More

best shampoo kertain treated hair

Unlike other shampoos that leave keratin-treated hair dull or weighed down, I found that the Kerastase Premiere Sulfate-Free Hair Repair Shampoo 8.5oz really stands out. During my testing, it deeply … Read More

best shampoo for treated damaged hair

Before testing this shampoo, I didn’t realize how much harsh chemicals and ingredients like sulfates could damage my hair’s strength and shine. I tried several formulas, but the Pureology Strength … Read More