Saturday, 22 February 2014

Ingredients 101: Glycolic Acid

Caudalie Glycolic Peel review

Natural or Synthetic: Both

The Science: Glycolic acid is the smallest of the alpha hydroxy acids (AHAs). It can be derived from natural sources, such as sugar cane, pineapple and unripe grapes, however it is often made synthetically through a catalysed reaction of formaldehyde with synthesis gas.

Beauty Benefits: Glycolic acid is a great exfoliant due to its excellent capability to penetrate skin. It makes skin softer and smoother and long-term use of skincare products that contain glycolic acid has been found to help treat acne and remove wrinkles, fine lines and age spots. In addition to treating pigmentation, glycolic acid has also been shown to reduce the appearance of scars.

Warnings: Glycolic acid, like all AHAs, can cause temporary redness - long lasting redness if a high concentration of glycolic acid is used. This acid can also cause irritation, dry patches, flaking and peeling. For these reasons it is always strongly advised that skin treated with glycolic acid is moisturised - and protected with an SPF - following treatment.

Found in: The Caudalie Glycolic Peel 75ml (£22.00 / $39.00 Sephora). This glycolic acid-based mask has a creamy, thick consistency and smooth texture that applies very easily. It rinses off quickly and leaves skin radiant and soft. Unlike most acid-based masks or exfoliators, the Caudalie Glycolic Peel doesn't leave skin feeling dry or tight once removed. I'm obsessed with this mask and use it once a week to keep my skin perky and problem-free!

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