Popular Skin Care Ingredients You Should Never Use Together

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Do you layer your skincare? I believe that most of us do with the abundance of skincare selection that is available to us these days. Layering your skincare traps more active ingredients against your skin, making each layer of skincare more effective making it easier to  absorb into our skin to work its magic. I used to step out the house with simply SPF, but for the past few years, my morning skincare routine has evolved – starting with a toner, a day moisturiser, a Vitamin C serum and then SPF. However, before you start layering and get all mixologist on your face, here are some skincare ingredients that you just should not mix.

1. Retinoids and Alpha Hydroxy Acids

These two ingredients wreck havoc together. According to FutureDerm, using retinoids and an AHA (e.g. Glycolic Acid

A great exfoliant that also increases collagen production by stimulating fibroblasts. Found to be effective in treating UV-damaged skin because it mediates the matrix degradation that(…)

Glycolic Acid (Wikipedia)

<p><b>Glycolic acid</b> (<b>hydroacetic acid</b> or <b>hydroxyacetic acid</b>); chemical formula C<sub>2</sub>H<sub>4</sub>O<sub>3</sub> (also written as HOCH<sub>2</sub>COOH), is the smallest <a href="http://en.wikipedia.com/wiki/Alpha_hydroxy_acid" title="Alpha hydroxy acid">&alpha;-hydroxy acid</a> (AHA). This colorless, odorless, and <a href="http://en.wikipedia.com/wiki/Hygroscopic" title="Hygroscopic" class="mw-redirect">hygroscopic</a> crystalline solid is highly <a href="http://en.wikipedia.com/wiki/Soluble" title="Soluble" class="mw-redirect">soluble</a> in <a href="http://en.wikipedia.com/wiki/Water" title="Water">water</a>. It is used in various skin-care products. Glycolic acid is found in some sugar-crops. A <b>glycolate</b> is a <a href="http://en.wikipedia.com/wiki/Salt_(chemistry)" title="Salt (chemistry)">salt</a> or <a href="http://en.wikipedia.com/wiki/Ester" title="Ester">ester</a> of glycolic acid.</p>

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