Ingredient
Caffeine
1,3,7-Trimethylxanthine
What it is
Caffeine is a naturally occurring alkaloid, extracted from coffee beans or tea leaves or produced synthetically, used in skincare for its skin-conditioning and antioxidant properties.
How it works
Applied topically it acts as an antioxidant and is thought to help temporarily tighten and de-puff the skin's appearance, notably around the eye area.
What it does
Skin conditioning
Antioxidant
Concerns to know
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Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.