strong> For Fine, Natural, Normal to Thin-Looking Hair A daily volumizing scalp & hair conditioner that moisturizes & improves resilience, while promoting a healthy scalp environment with soothing essential oils, special anti-oxidants & enzymatic complexes. This was developed by Nioxin lab with advanced formula which are: Bio Amp adds thickness & strength. Activ-Renewal gives a more youthful-looking scalp & fuller, healthier looking hair. Transactive Delivery System delivers essential nutrients onto the scalp which improves the appearance of thinning hair & creates an environment for fuller, healthier looking hair. How to use: Apply to cleansed wet hair & distribute through hair & scalp. Leave in for 1-3 minutes, then rinse thoroughly. For best result, follow with Nioxin System 1 Treament.