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
From Neutrogena Visibly Clear Light Therapy Acne Mask to Talika Pigment Control, these high-tech LED lovelies are here to shake up your skincare regime | The Sun
Neutrogena Light Therapy Mask Hack- bypass the counter in 15 Min!- - YouTube
Neutrogena Light Therapy Acne Mask Activator for sale online | eBay
Amazon.com : Unlimited Light Therapy Acne Mask Activator, Reusable Device with Unrestricted Count (Rechargeable) by Liihot : Health & Household