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. Quantity: 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