In Good Light
There are products that work to prevent blue light damage, and yet, conversely, there are treatments and gadgets which harness blue LED light to treat skin. What gives? The difference lies in the wavelength of these lights and how much you are exposed to.
Blue light therapy, which is beneficial for skin, uses blue LED light with a wavelength between 405 nm to 420 nm to target acne.
The Propionibacterium acnes (P. acnes) bacteria, which causes pimples,
