Kill acne-causing bacteria while soothing skin. The Baby Blue is the most powerful anti-acne skin care device available for at-home use. It works by killing the acne-causing bacteria, p. acne, and works well in treating inflammatory acne vulgaris. The p. acne bacteria releases small molecules called porphyrins; when exposed to the Baby Blue's wavelengths of light, they produce free radicals that kill bacteria. Get rid of your harsh drying acne products. Gentle, natural, safe, and painless. Can be used on all skin types and all skin tones.