Collagen supports hair structure and scalp health, while keratin repairs hair strands and enhances hair smoothness and shine.

Protein overload occurs when the hair shaft absorbs too much protein and not enough moisture. Without enough moisture to ...

The missing ingredient that might be wrecking your hair is protein—essential for strength, structure, and true moisture retention.

Eggs contain essential nutrients like protein, biotin, zinc, and vitamins that contribute to hair health. Adequate protein ...

Featuring an Anti-Residue Shampoo, Brazilian Smoothing Treatment and Brazilian Intensive Hair Mask, this three-step system ...

Keratin is a fibrous protein naturally found in our hair, skin, and nails, giving them structure and resilience. But with age or exposure to environmental pressures, our body produces less keratin ...

Because keratin treatments are great at amping up ... and sodium hydroxide to permanently break the bonds inside the hair structure, so that it can be reset and rebuilt straight.

Elena Lavagni, owner and founder of Neville Hair & Beauty, tells Stylist: “Keratin is a fibrous structural protein that serves as a major component in the structure of various tissues in the ...

If you find yourself trying to control frizzy hair in the humid summer heat, read our tell-all guide on the most valuable ...