Red Light Therapy for Healthier, Fuller-Looking Hair. Revitalize your scalp with the Skin Gym Pro Red Light Cap, designed with 144 LED Diodes. Featuring 650nm red light therapy, this wireless LED device supports scalp health, may help temporarily boost circulation, and refresh hair vitality in just 10 minutes a day. FDA-cleared, and easy to use- this is hair care that goes deeper. FEATURES: Supports Scalp Health Promotes hair growth in men and women with pattern hair loss On-the-Go Design + Compact, cordless, and easy to use anytime, anywhere. | Skin Gym LED Pro Red Light Cap | Dermstore