The Secret Ingredient Skincare Companies Don’t Want You To Know About (Hint: It’s Just Water) Transepidermal water loss (TEWL) is a mouthful, but it’s a simple concept: Water escapes your skin through evaporation. When your skin loses too much water,...
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Vitamin C serums have cemented their place as staples in every worthwhile skincare routine. You’ve probably heard promises that vitamin C can give your skin a glow, fight early signs of aging, or reduce dark spots. But can a vitamin...
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In this guide, we’ll cover the timeline for what you can expect from using retinol and the key signs that it’s working for you. We’ll also provide some background on how this ingredient works, and discuss a few other factors that may influence whether your retinol will work or not.
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