Collagen serum nourishes the hair and makes it more silky.. It contains very little ammonia and is fortified with collagen.. It penetrates the folds of the hair during the coloring process.. Treat damaged hair from the inside out
Collagen serum nourishes the hair and makes it more silky.. It contains very little ammonia and is fortified with collagen.. It penetrates the folds of the hair during the coloring process.. Treat damaged hair from the inside out