This product is great! I have horrible hormonal acne that I've only been able to control with the birth control pill. Since I no longer wanted to be on the pill I unfortunately had to live with horrible and embarassing acne. This product is the only product that I've ever found that has worked (and I have tried Accutane, ProActive, gone to acne specialists, you name it)! I immediately noticed a difference and so did my husband. After the first use, the redness was reduced and so was the swelling. This light is like magic! It dries up your acne and reduces the swelling and redness. I'm happy that I was finally able to find something that works and actually gives me results.