Kerastase Concentre Decalcifant Ultra-Reparateur Hair Treatment 250ml Hair then once daily

then once daily

and protects hair against heat tools up to 450F/232C

The #1 best-selling Breathable shade

Humidity-proof protection that won't let weather ruin your style

over-processed or bleached hair

Kerastase Concentre Decalcifant Ultra-Reparateur Hair Treatment 250ml Hair then once dailyThe first pre shampoo treatment that removes calcium and fully repairs all types of damaged hair. Hard water with calcium can further damage already delicate dry, over processed or bleached 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,