Prebiotics. Probiotics. Postbiotics. Words that used to belong in the supplement aisle are now on the labels of serums, cleansers, and moisturizers. If you have been wondering what prebiotics for skin actually means, or how probiotics and postbiotics fit into your skincare routine, this post is for you. Because honestly, it can feel a little confusing. What do these ingredients actually do for your skin? Are they worth the hype?…
