The Nioxin System 6 Duo is designed for noticeably thinning, medium to coarse, natural or chemically-treated hair, delivering smoothing control to hair while protecting the scalp and restoring moisture balance. Benefits: • Hair type: Chemically treated hair with progressed thinning. How to use: Massage Cleanser Shampoo into hair and scalp, lather for 1 minute. Rinse thoroughly. After cleansing, massage and work Scalp Therapy Revitalizing Conditioner through the hair, from scalp to ends, leave on for 1–3 minutes. Rinse thoroughly.