| Family | AHA with a benzene ring11 | AHA, see the glycolic acid entry | AHA, see the lactic acid entry | BHA (common name), see the entry |
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| Studied effect | Eye contour elasticity, in an uncontrolled trial8 | See the glycolic acid entry | Smoothing, comfort for dry skin (see the entry) | See the salicylic acid entry |
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| EU regulation | No restriction, no numerical benchmark23 | No restriction. Benchmark: 4%, pH 3.8 or higher3 | No restriction. Benchmark: 2.5%, pH 5 or higher3 | Restricted: 0.5 to 3% depending on the product |
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| Tolerance | Good in the cited trial, with no comparison to other AHAs8 | More marked stinging than L-lactic above 1.5 M5 | Less stinging than glycolic above 1.5 M, L form5 | Depends on concentration and formula |
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| Sun | Sun protection recommended with AHAs4 | Sun protection recommended with AHAs4 | Sun protection recommended with AHAs4 | Sun protection recommended with BHAs |
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