2024年7月17日 · “Keratin is a structural and protective protein that makes up hair and nails,” says cosmetic biochemist Stacey Steinmetz. “In hair, it’s responsible for preventing breakage, frizz, and heat damage. By applying keratin topically to your hair, it can be used to smooth and de-frizz.”

2023年2月16日 · During a keratin hair treatment, stylists apply a keratin-based product to the hair before using a flat iron to seal it in. This process can smooth frizzy or damaged hair, producing a...

2018年9月17日 · Keratin works by smoothing down the cells that overlap to form your hair strands. The layers of cells, called the hair cuticle, theoretically absorb the keratin, resulting in hair that...

2022年11月15日 · A keratin treatment can reduce your blow-drying time, cut down on frizz, smooth your hair cuticle and amp up shine. But for some individuals, keratin treatments may damage your curl pattern and it ...

2023年12月28日 · From the outer layer of skin to our hair and nails, keratin plays a key role in your body’s makeup. Keratin is present in both the outer protective layer of each hair shaft and the inner cortex. When hair loses too much of this protein , it becomes damaged.

2025年1月13日 · A keratin treatment is a process that smooths, straightens, and strengthens your hair by providing it with keratin—which is one of the main proteins that makes up hair. "It's creating a...

2020年10月23日 · In particular, keratin helps make the cells in hair, skin, and nails stronger and more resilient and helps reduce damage to the tissues from friction.