Does Red Light Therapy Cause Hyperpigmentation?

Does Red Light Therapy Cause Hyperpigmentation? What You Need to Know Red light therapy (RLT) is widely used for skin rejuvenation, anti-aging, and improving skin tone. However, some people worry: can red light therapy cause hyperpigmentation or dark spots? This article explains what science says and how to safely use RLT to avoid unwanted pigmentation […]