Leave-in night care promotes hair density by reducing hair loss* associated with oxidation of the scalp surface. *in three monthsFeatures and Benefits:Leave-in treatment to strengthen hair densityreduces hair loss associated with oxidation of the scalp surfaceNIOXYDINE24 technologyHow to use: use a full pipette, distribute drop by drop on the scalp and massage gently. Then gently comb through the hair.