Nioxin System 5 Scalp Therapy Conditioner, 33.8 oz, is designed for medium to coarse, chemically treated hair that is experiencing thinning. This conditioner helps to strengthen and hydrate the hair while promoting a healthier scalp environment. The advanced formula reduces hair breakage and adds moisture, leaving the hair fuller and more manageable. Ideal for those with thinning hair looking for a conditioner that supports overall hair health.