Resistance Serum Extentioniste from Kerastase is a highly concentrated serum with key active ingredients that stimulate the growth of strong healthy hair follicles. This energizing leave-in treatment is a key step to reinforce roots and promote a healthy scalp environment. Its non-greasy formula harnesses the power of Ceramides to protect the scalp from environmental aggressors while stimulating and energizing roots. Applied with a gentle scalp massage, it’s ideal to boost and activate the growth of healthy hair to achieve strong long hair.
