Retinol and vitamin C are skincare superstars. Learn how to use them together in the same routine for the most dramatic results.
Skin purging is when you break out after starting a skin-renewing skincare product like retinol or AHA. Learn how to tell if your skin is purging and what to do about it.
Did you ever wonder why your retinol serum is yellow? In fact, the more vibrant the pigment, the more potent your retinol product can be. Read this post to learn why!
Learn how to layer skincare based on the most important principles: active ingredients, pH levels, texture, and more. This post goes beyond the basics, to help you become a true skintellectual.
Ascorbic acid is the purest form of vitamin C in skincare. Learn everything you need to know about ascorbic acid for skin, and why it’s the ingredient to look for in a vitamin C serum.