Before&After] My experience with B12 induced acne. Story in comments. : r SkincareAddiction How Quickly Does an Acne Cortisone Shot Work? Skin Works Medical Spa Breakouts from Vitamin B12 are some of the most common I see, even in longtime clients who are using excellent skin products and otherwise have their acne under control. , B12 causes inflamed acne and How Vitamin B12 deficiency shows up on your skin: Pigmentation, dryness, inflammation, and other warning signs The Times of India Vitamin B12 supplements can trigger an acne like eruption, as can vitamin B6 & biotin supplements. In contrast to acne, there are no comedones. Once the supplements are stopped, the breakouts clear in Acne and Vitamin B12