You Should Start Using Retinoids: Here’s Why
There is a common misconception that retinol is reserved for older women who want to reverse the effects of aging. It’s true; retinol has amazing…
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Incorporating Acids: Everything You Need to Know
The three major types of acids are alpha hydroxy acids (AHAs), beta hydroxy acids (BHAs) and polyhydroxy acids (PHAs). So, what’s the difference between them, and where should you start?
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The Chemistry of Your Skin: Products You Shouldn’t Mix
VALLEY’s here to explain a few commonly used skincare products that should not combined to avoid irritation and breakouts.
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