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4-Butylresorcinol

What 4-Butylresorcinol is & what it does

4-Butylresorcinol is a synthetic resorcinol derivative used in skincare for its brightening function. It is valued for helping to even the look of skin tone and reduce the appearance of dark spots. A notable property is that it targets the pigment-forming pathway, so it is often included in products aimed at a more uniform complexion.

What does 4-Butylresorcinol do in skincare?

4-Butylresorcinol is a brightening ingredient used to help even the look of skin tone and reduce the appearance of dark spots. It works on the skin's pigment-forming pathway, which is why it appears in products aimed at a more uniform complexion. It is typically used at low concentrations.

Is 4-Butylresorcinol safe?

4-Butylresorcinol is used in cosmetics at low levels and is generally considered suitable for topical use within typical formulation ranges. Some people with sensitive skin may notice mild irritation, so patch testing is wise. If you have specific concerns, a dermatologist can offer personalized guidance.

Is 4-Butylresorcinol natural or synthetic?

4-Butylresorcinol is a synthetic ingredient, a resorcinol derivative made through chemical processes rather than extracted from a plant. This allows for consistent purity and concentration. It is not considered a naturally occurring cosmetic ingredient.

Sunscreens with 4-Butylresorcinol

We rate 9 sunscreens that contain it:

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