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Acid

Rating: Average
Categories: Exfoliant, pH Adjuster/Stabilizer

Acid Description

Acids are anything with a pH lower than 7 is considered acidic; above 7 is considered alkaline. Water has a pH of 7. Skin has an average pH of 5.5

In skin care acids mostly function as exfoliants. Exfoliants, like alpha hydroxy acids and beta hydroxy acid, work to slough off dead skin cells from skin’s surface layers to reveal healthier skin.
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Peer-reviewed, substantiated scientific research is used to assess ingredients in this dictionary. Regulations regarding usage constraints, permitted concentration levels and availability vary by country and region.