With their launch, acid peels and … Make sure you know what the potential side effects can be – some of them are benign, other glycolic acid side effects … Starting an AHA alongside an L-ascorbic acid vit.   The use of alpha hydroxy acids … I would suggest the OST serum… Alpha-hydroxy acids are a group of acid compounds, most often derived from plant-based sources. Glycolic acid is the smallest of the alpha-hydroxy acids (AHA). It is derived from sugar cane and is used as a tanning and dyeing agent in the textile industry, a preservative and flavoring additive in food, and a skin care ingredient in cosmetic products. A few years ago when the AHA 30% + BHA 2% Peeling Solution from The Ordinary by Deciem released, it changed the face of skincare as we knew it. ... Stinging and burning are common side-effects… C serum can certainly irritate the skin, and too much AHA too fast will over exfoliate, so you want to go slowly, perhaps only using one at a time. Possible Glycolic Acid Side Effects. There are a variety of different ones out there, some of the most common of which … Symptoms of irritation include redness, burning, itching, pain and possibly scarring. Side Effects of Alpha Hydroxy Acids . The two major side effects of alpha hydroxy acids are irritation and sun sensitivity. As with any skin care ingredient, glycolic acid products won’t work for everyone.