Keratin treatment explained: benefits, risks, and what to expect
Keratin is one of the most searched salon services — and one of the most misunderstood. This article covers what keratin actually does to the hair shaft, the different types of keratin treatments (Brazilian, express, formaldehyde-free), how long results last, aftercare rules, and who should (and shouldn’t) get it. Honest about costs and the formaldehyde controversy.