American Crew Trichology Hair Recovery Patch Is designed for the maximum in convenience, the gradual release Trichology Hair Recovery Patch allows your to address your hair issues when your busy and on the go and don't have time for a serum application. Use at night for a ultra convenient alternative to hair serums and treatments. The American Crew Trichology Hair Recovery Patch delivers a time released dose of hair repairing ingredients to hair and scalp that help to rejuvenate existing hair as well as promote the growth of fuller, thicker new hair. Clinical studies have shown the American Crew Trichology Hair Recovery Patch to be an effective solution for those with weak, thinning and fine hair. Used daily, Trichology Concentrate will begin to show results within 8 weeks. Once the initial treatment phase has been completed the Trichology Hair Recovery Patch can be used every other day as part of an ongoing hair maintenance system. HOW TO USE: Apply one to two patches directly on problem areas. Severe System: Use 2-3 Patches Daily for 8 weeks minimum Mild/Maintenance System: Use 2-3 Patches every other day Ingredients: Acrylates Copolymer, Humulus Lupulus (Hops) Extract, Rosmarinus Officinalis (Rosemary) Extract, Swertia Japonica Extract, Silanediol Salicylate, Panthenol, Butylene Glycol, Triethanolamine.