Red light therapy products are quickly moving from niche wellness tools into the mainstream. What was once mainly seen in clinics and professional settings is now increasingly available in at-home devices such as LED face masks, panels, helmets, and handheld tools. Dermatology and consumer-health sources also note growing public interest in these devices for concerns…

When choosing a red light therapy panel, many buyers focus on wavelength, irradiance, and LED quantity. However, one technical detail that also plays an important role is the lens angle. A common question from distributors, clinics, and end users is: Is a 30-degree lens better, or is a 60-degree lens better? The answer depends on…