Nioxin intensive hair booster delivers an intensive boost to areas of low density benefits the ultra concentrated formula with cozyme 10 vitamin complex targets areas of advanced thin looking hair such as the hairline or crown keratin helps protect against cuticle damage and boost fragile hair to use designed to complement your nioxin 3 part system hair booster is used twice daily in the morning before your scalp treatment and again in the evening its vitamin enriched formula will give