“Blue light penetrates about a millimeter into skin, where it’s absorbed by molecules called porphyrins that are present in acne-causing bacteria,” says Dr. Shamban. “Once inside these porphyrins, the ...

Artificial blue light from devices and screens is not kind on your eyes or your overall health. Here are the best blue light ...

Melanoma is one of the most aggressive skin cancers, with over 300,000 new cases reported worldwide each year. In Europe, the number of diagnoses has been rising rapidly.

She continues, “blue light (400-490 nm) targets the surface layer of the skin, killing acne-causing bacteria, and green light (495-570nm) affects skin pigmentation by calming overactive ...