Applied topically, caffeine has a temporary tightening effect and influences the appearance of fluid accumulation near the skin surface. It is one of the few cosmetic ingredients with a same-day visible effect, which is why it appears so often in eye products.
How well established is this?
The de-puffing effect is real but temporary — hours, not days — and needs reapplying. It does nothing for pigmentation-based dark circles or for shadow created by facial structure.
Pairs well with
No products in the catalog list this ingredient yet.