Human topical research

Citric acid increases viable epidermal thickness and glycosaminoglycan content of sun-damaged skin.

Dermatologic surgery : official publication for American Society for Dermatologic Surgery [et al.] · 1997

What was studied

Vehicle comparison of 20% citric acid lotion; biopsies after three months. Sample size and randomization are not stated in the abstract.

Checked against the published abstract on Oct 1, 2026. Read the source ↗

Read the authors' abstract at the linked primary source.

Linked ingredients