FORMULA.FIVE™ by Keratin Revolution is a next-generation leave-in molecular repair treatment designed to rebuild and restore damaged hair from the inside out. Powered by our exclusive Re:Link™ Complex, five active molecules work together to repair bonds, reconnect proteins, smooth the cuticle, and lock in lasting shine — all in just 5 min
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Absolutely loved this product. Have tried loads of different stuff but this one is definitely the best.
M
Margaret · March 13, 2026
Hair feels healthier not needing conditioner as hair gets greasy quickly