Bosley's BosRevive Non Color-Treated Hair Thickening Treatment is uniquely formulated for those who want to help restore visibly thinning hair. This lightweight, foaming and alcohol-free leave-in treatment is designed to help inhibit DHT. Inhibiting DHT may aid in rejuvenating the scalp and helps support the growth of stronger, healthier hair. Pumpkin Seed extract and soy proteins, natural DHT-blockers, combine with Apple Stem Cell extract and Panthenol to help reduce scalp inflammation, increase scalp circulation and strengthen the hair to promote healthy hair growth. It may assist in thickening hair, reconditioning fragile hair and provide instant volume.