Beauty Nerd: Alpha Hydroxy Acids


Hello again everyone! I thought I would start my first “ingredients” posts with the “ABC’s” of skincare ingredients– first up, Alpha Hydroxy Acids (AHAs). If you missed the first Beauty Nerd introductory post, make sure you read it here.

First, my disclaimer: Nothing I write in this series is medical advice and I will be writing from the perspective of a consumer interested in understanding how products work and if they are effective. If you have any medical questions, you should talk to your doctor!

What are they?

AHAs are organic compounds that contain a carboxyl group and one hydroxyl group at the alpha position (hence the name, Alpha Hydroxy Acids). Examples of AHAs include glycolic acid and lactic acid (the two most commonly used for cosmetic skincare results), citric acid, malic acid, and tartaric acid.

What are they used for? Continue reading “Beauty Nerd: Alpha Hydroxy Acids”