Active ingredient

Caffeine

INCICaffeine

Last reviewed by BIOSAR Scientific Team, PharmD, Cosmetic Chemistry, Pharmacy practice on April 28, 2026.

What it is

Caffeine is a methylxanthine alkaloid used topically in skincare for under-eye puffiness, dark circles, and the appearance of cellulite. It works via vasoconstriction, lipolytic phosphodiesterase inhibition, and antioxidant scavenging of reactive oxygen species. Pairs freely with most actives. No major conflicts.

Pregnancy and breastfeeding

Safe

Considered safe during pregnancy and breastfeeding.

Topical caffeine produces negligible systemic exposure compared to dietary intake. Mother to Baby and Bozzo (2011) flag topical cosmetic caffeine as acceptable during pregnancy and lactation.

Mechanism in detail

What Caffeine does

Stimulant that supports local microcirculation where it is applied. In body and eye-area formulas it helps de-puff and firm the look of skin, for a smoother, more toned and visibly refreshed appearance.

Evidence

What the research says

n = 11Caffeine and vitamin K eye pad: dark circles at 4 weeksIn 11 women, an eye pad with caffeine, vitamin K and emu oil, worn one hour nightly for 4 weeks, reduced dark circles and wrinkle depth versus a water-only pad. The authors attribute the dark-circle result to vitamin K.Read the study →Adv Biomed Res 2015

Where it helps