Collagen. While collagen supplements are well known to improve our skin texture, some may contain sulfites which can make our skin congested and lead to acne breakouts.

Is collagen good for acne prone skin?

There is no evidence to suggest that collagen can cause acne. In fact, it's more likely to help clear up your acne. Collagen, especially marine collagen, can do wonders for your skin, even beyond acne.

What supplements can cause acne?

A number of dietary supplements have also been linked to acne, including those containing vitamins B6/B12, iodine, and whey, as well as "muscle building supplements" that may be contaminated with anabolic-androgenic steroids (AAS).