@nkim.skincare: Your friend’s 10-minute LED-mask routine may not be right for your device. ⏱️ Different masks can have different wavelengths, outputs and tested schedules. More time doesn’t automatically mean better results—follow the instructions supplied with your exact model. How long does your mask recommend? Learn what to check before buying or using an LED mask safely. The NKIM LED Face Mask Buyer Guide is linked in our bio. #LEDFaceMask #LEDMaskSafety #SkincareBeginners #SkincareEducation