Kérastase Première Concentré Decalcifying Ultra-Repairing Pre-Shampoo Treatment 250ml Hair Colour Subtype_Root Touch-Up Stimulates surface micro-circulation in the

Stimulates surface micro-circulation in the eye contour area

Retinol Powerhouse: Some By Mi's Retinol Intense Reactivating Serum is a game-changing addition to your skincare regimen

Maintains colour to prevent fade

95% said hair feels softer**

Substantive UV absorbers attach to the hair shaft creating a barrier against the suns harmful rays

Kérastase Première Concentré Decalcifying Ultra-Repairing Pre-Shampoo Treatment 250ml Hair Colour Subtype_Root Touch-Up Stimulates surface micro-circulation in theThe first pre shampoo treatment that removes calcium and fully repairs all types of damaged hair. Hard water with calcium can further damage already delicate over processed or lightened hair. Because its more porous, damaged hair absorbs 3 times more calcium than natural hair. This treatments concentration of pure acids has a dual action: it decalcifies hair from this calcium overdose, and repairs it from the inside out, restoring hair strength, and