It quickly covers grey hair regrowth, allowing you to delay dyeing by a few weeks. Keramine H's Regrowth Corrector Spray is the ideal solution for a do-it-yourself touch-up, formulated to last until your next wash. Perfect for last-minute touch-ups, this spray covers regrowth instantly, maintaining your hair colour impeccable and tidy between dye sessions. User-friendly and practical to carry, it guarantees a neat and natural look.