My girlfriend's acne mask uses this to work and only contains 30 charges. After the uses she has to buy a completely new one of these every time : r/assholedesign
Neutrogena Light Mask Recalled: What to Know
Hack Neutrogena Light Therapy Mask - With a Screw Driver and Tape! - YouTube
Beauty + Tech | Neutrogena Light Therapy Acne Mask: Review | The Happy Sloths: Beauty, Makeup, and Skincare Blog with Reviews and Swatches
Neutrogena Blue & Red Light Acne Treatment Light Therapy Mask Activator, 1 Item - Walmart.com