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 Recalls Light Therapy Masks, Citing Risk of Eye Injury - The New York Times
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