Description
Keratin Booster is Manucurist’s keratin nail serum (the US site lists it under a different name). A thin, alcohol-based fluid with plant-derived keratin, glycolic acid and gluconolactone, silicon, biotin (vitamin B8), and vitamin C, 97.5% natural origin. It absorbs without leaving a film.
How to use it: brush onto bare nails one to three times a day for five to seven days. No rinsing, no rubbing in. If you want polish afterward, wipe the nail with Degreaser first. Ages 12 and up.
Manucurist’s nail care formulas are certified gluten-free. Glass bottle with a kraft paper box.
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