Amazon.com: Blue Light Therapy Bulb by Hooga. Power Cord Included. 415 nm Wavelength. 12 LEDs. High Irradiance, Treatment for Acne and Sun Damage. Can Improve Skin Texture and Tigthen Skin. : Health
21W Cyan Blue 450nm 470nm 500nm LED Lamp Light Bulb Plant Aquarium PAR30 E26 E27 | eBay
Light Therapy Lamp, Blue Light Therapy Lamp, Portable LED Therapy Device for Treating Acne, Baby Jaundice, 110 - 240 V (#1) : Amazon.de: Health & Personal Care