How Often Should You Repeat Keratin? Mistakes That Kill the Effect
Keratin should be repeated every 3–5 months, depending on regrowth and home care.
Top effect killers: sulfate shampoos, hot water, pool chlorine without protection.
Sulfate-free shampoo plus a weekly mask extends smoothness by 1–2 months.
Avoid coloring 2 weeks before or right after keratin — color and formula conflict.
Come for a check-up visit: we review condition and adjust care for free.
Why the effect lasts 2 months instead of 5 — and how to fix it.
Related articles
Keratin on Colored Hair: Yes, and Here Is the Right Order
Color before or after keratin? The order decides, and on colored hair the result lasts longer.
Read more →Keratin on Colored Hair: The Short Answer, No Fluff
Yes, you can. How to combine color and keratin without redoing anything, and who gets turned away.
Read more →Green Client, Henna and Keratin: Dispatches From the Basin
Four hours of henna removal, one industry secret, and why the platinum-blonde client was not thrilled. An honest column by Vera.
Read more →