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Es

Essential Oils

A name for a group of plant oils, not one ingredient. They range widely, and some are strong allergens; each oil has its own page.

What it does

They’re highly concentrated, strong-smelling plant extracts. The group spans hundreds of plants that behave very differently: some act on hormones and some are strong allergens, so each oil has its own page with its own warnings.

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How Drop works · 5 minNatural Ingredients Can Still Irritate Skin — and Often Do'Natural' tells you almost nothing about how skin tolerates an ingredient. Here is which natural ingredients are common irritants and why labels mislead.

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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