Does skinB5 Extra Strength Acne Control Vitamins treat facial and body acne? SkinB5 Help Centre (HQ) May 31, 2019 23:16 Follow YES. It works from WITHIN to treat acne throughout the entire body - therefore the Extra Strength Acne Control Vitamins treat both facial and body acne. Have more questions? Submit a request 0 Comments Please sign in to leave a comment.