Resistance Serum Extentioniste 50mlBoost hair growth and achieve strong, long hair with our highly concentrated serum. Infused with key active ingredients, this energizing leave in treatment stimulates the growth of strong, healthy hair follicles while reinforcing roots and promoting 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