More About AHA Free Acid Value

To download a pdf version of the image below, click on the following text: AHA Free Acid Value Infographic Let's walk through an example using the "Glycolic Acid Example" table in the infographic above. If you know that Pixi Glow Tonic has an advertised concentration of 5% Glycolic acid and a pH of 4.0 (assuming … Continue reading More About AHA Free Acid Value

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