December 2025 in “Cureus” Topical treatments like AHAs, BHAs, and urea may help keratosis pilaris, but evidence is limited.
Natural α-hydroxyl acids cause skin exfoliation by activating TRPV3 channels.
87 citations
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March 2000 in “American Journal of Clinical Dermatology” Alpha-hydroxy acids, like glycolic acid, safely improve skin issues and work on all skin types.
2 citations
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February 2004 in “Biopolymers” 4-(4-Phenoxybenzoyl)benzoic acid derivatives can both increase and decrease certain types of reactive oxygen species, and may be relevant to hair loss.
Nano-sized sunscreens may penetrate skin and pose toxicity risks.