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Isobutylamido Thiazolyl Resorcinol

What Isobutylamido Thiazolyl Resorcinol is & what it does

A potent, well-studied brightening active (Thiamidol) that helps fade the look of dark spots and prevent their return by limiting pigment formation. It is gentle and effective.

What does Isobutylamido Thiazolyl Resorcinol do in skincare?

Isobutylamido Thiazolyl Resorcinol, often sold under the trade name Thiamidol, is used as a skin-brightening active. It is included in formulas to help reduce the look of dark spots and uneven tone, and it is a resorcinol-derivative ingredient developed for that purpose. It is not a UV filter and works alongside, rather than instead of, sunscreen.

Is Isobutylamido Thiazolyl Resorcinol safe?

Isobutylamido Thiazolyl Resorcinol is a synthetic active used in commercial skincare at low concentrations and is generally regarded as well tolerated for cosmetic use. As with any active, some people may experience irritation, and tolerance varies by individual. If you have sensitive skin or specific concerns, patch testing or professional advice is sensible.

Is Isobutylamido Thiazolyl Resorcinol natural or synthetic?

Isobutylamido Thiazolyl Resorcinol is a synthetic ingredient produced through chemical synthesis. It belongs to the resorcinol family of compounds and is manufactured rather than extracted from a plant or animal source. This also means it is plant-free and typically suitable for vegan formulations.

Sunscreens with Isobutylamido Thiazolyl Resorcinol

We rate 16 sunscreens that contain it, showing the top 10 by overall score:

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