Liposome-encapsulated ursolic acid increases ceramides and collagen in human skin cells.

What was studied

Liposomes increased ceramide in cultured keratinocytes and human skin; collagen increased in cultured fibroblasts. Specific delivery preparation. Abstract lacks human count/control/randomization; biochemical endpoints, not clinical wrinkle efficacy. Three days is onset of ceramide change, not stated total treatment duration.

Checked against the published abstract on Oct 1, 2026. Source 1 ↗Source 2 ↗