Therapro Mediceuticals Numinox Hair Follicle amp Scalp Stimulator 4 oz. Formerly Scalp Energizing Stimulator Proven safe and sold without a doctors prescription. bull Stimulates hair cell metabolism and follicle development.bull Helps inhibit harmful DHT formation.bull Enhances follicle micro-vascular circulation.bull Encourages new hair growth.bull Safe for color-treated hair. Directions for use 1. Apply to dry or damp scalp. 2. Hold nozzle close to scalp and spray 1-2 pumps directly on thinning area(s).3. Gently massage onto scalp. 4. Continue application until entire thinning areas have been treated. Apply twice daily- in the morning and before bedtime- for best results.