Guides
Does it work, is it safe, how to choose. Answered with sources.
Do LED Masks Really Work? What the Research Shows
At-home LED masks can modestly soften fine lines and calm inflamed acne after 8 to 12 weeks; here is what the trials, FDA clearances and safety notes say.
Do Laser Caps Work? What the Research Says About Laser Hair Growth
Laser caps can increase hair density in pattern hair loss, according to several meta-analyses, but they take months and suit early to moderate thinning.