Nioxin Scalp Therapy Conditioner-Natural hair, normal to thin-looking. 9 out of 10 people perceive a thickening effect (Consumer perception based upon usage of entire Nioxin Thinning Hair System 1). Nioxin Scalp Therapy System 1 - is a conditioner that restores the moisture and resilience in the scalp, skin and hair. BioAmp adds thickness from inside the cuticle and strengthens the hair shaft. Activ-Renewal helps provide a more youthful scalp complexion. Transactive Delivery System is a time released delivery system formulated with vitamins that provides moisturizing nourishment for the scalp and hair. No animal testing. Made in USA. Nioxin Cleanser - Nioxin System 1 Cleanser for Fine Hair is made to gently cleanse normal to thin-looking hair.