Dermatologists share the best keratin products for damaged, frizzy hair. Plus, the experts talk about whether keratin can ...

Infused with Pro-Keratin and Incell Technology, it strengthens the hair fiber while restoring lost moisture. Streax Professional Vitariche Gloss Hair Serum is a lightweight, nourishing serum ...

Nowadays, if such a makeover were to be replicated, we’d put good money on the hair ... the serum’s niacinamide and charged lemon protein-infused primer for hair. Niacinamide supports keratin ...