Light Stem › Light Stem For Acne Image 1 of 2 Image 2 of 2 Light Stem For Acne $169.00 LightStim for Acne is FDA Cleared to treat mild to moderate acne. Purchase Added! LightStim for Acne is FDA Cleared to treat mild to moderate acne. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More