What is the purpose of blue LED light in skincare?

The purpose of blue LED light in skincare is primarily to reduce bacteria, particularly the type associated with acne. This form of light therapy works by targeting specific wavelengths that are effective at eliminating the P. acnes bacteria, which contributes to acne formation. By reducing the bacteria on the skin's surface, blue LED light can help prevent acne breakouts and improve overall skin clarity.

While other forms of LED light, such as red light, are used for promoting new skin cell growth and reducing redness, blue light stands out for its antibacterial properties. This makes it an essential tool in acne treatment protocols, especially for those dealing with inflammatory acne. Additionally, blue light may have a soothing effect on the skin, but its primary function remains centered around its ability to combat bacterial growth.