The Same Acne Technology Used by Dermatologists and Estheticians See results within days with this all natural, safe for all skin tones solution to pesky pimples. The dpl Nve Professional-Grade Acne Treatment System combines red and blue light therapy to treat acne. Blue light destroys the acne-causing bacteria beneath the skin's surface, while the red light reduces inflammation and accelerates healing. Achieve clear skin with just 3 minutes of use each day. In a recent study, 100% of users experienced a significant reduction in acne when using blue-light therapy.