Cu
Cucumber Extract
Cucumis Sativus (Cucumber) Fruit Extract · CUCUMIS SATIVUS · Cucumis Sativus Fruit Extract
Mostly water with a little vitamin C and K — a mild hydrator; the de-puffing story is really just something cool on skin.
What it does
The de-puffing effect behind cucumber slices on eyes is mostly cool water on skin. In skincare it adds a little moisture and a nicer feel; bigger claims are usually overstated.
The evidence, graded
expert consensusUS safety reviewers (2014) assessed 6 cucumber ingredients, which products use to condition skin. A formula with 5% cucumber fruit extract, five times the highest use level, caused no allergy or sun reactions but irritated some people. A product with 1% caused no irritation. They judged all 6 safe as used and asked makers to limit pesticides and heavy metals.Fiume 2014 · International Journal of Toxicology ↗
Graded per the methodology: strong · moderate · emerging · expert consensus. A weak source on a strong claim gets the weaker label.
Pairs worth knowing
Browse all 1238 ingredients — grouped by what they do, each with whatever evidence we can cite.
This page is public so a shared ingredient card always has its sources behind it — and so you can check them without an account.
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