Clean Beauty: What Does “Clean” Actually Mean?

What does “clean beauty” actually mean? The answer may be less clear than you think.Dr. Erum Ilyas breaks down what clean skincare labels and ingredient-rating systems can—and can't—tell us about a product. From preservatives and allergens to exclusion lists and replacement ingredients, she explains why “clean” isn't a standardized medical or scientific category.More importantly, she offers a better way to choose skincare: look past the claim, start with your skin, and choose products based on purpose and evidence.