Specifique Serum Potentialiste 90mlThe first universal defense serum for unbalanced scalps. Krastase's Potentialiste serum is a revolutionary product that has been developed to help balance the scalp and strengthen the skin's natural protective barrier. It is enriched with bifidobacteria prebiotics and antioxidant vitamin C, which work together to promote a healthier, revitalized scalp. Potentialiste serum is ideal for people with unbalanced scalps, as it helps to: Reduce dryness and