Can Collagen Cause Acne? What Science Actually Says Does Glutathione Cause Purging? Understanding the Complex Relationship Between Glutathione and Acne Cymbiotika CYMBIOTIKA Skin purging is a common, temporary skin breakout reaction to ingredients in certain skincare products, such as retinol and alpha hydroxy acids. Before you spend money on glutathione, read this first. Topical, oral, injectable what actually works and what's just marketing? #funskincare #funingredientsinfographic101