Brightening

Phenylethyl Resorcinol

INCI · Phenylethyl Resorcinol · also Symwhite 377

Revelika safety grade

Overview

A potent resorcinol-based cosmetic brightener used to reduce the appearance of dark spots and even tone, with antioxidant activity. It is effective at low concentrations.

Who it's for

Those targeting uneven tone who want a low-dose active.

Cautions

Can be irritating and is light- and heat-sensitive, so packaging matters; patch test.

Suitability
Suits skin type
Dry Oily Combination Sensitive Acne-prone Mature Normal
Concentration
Concentration0 – 10%
Effective from
Max safe
In the glossary
Frequently asked
What does Phenylethyl Resorcinol do in skincare?

A potent resorcinol-based cosmetic brightener used to reduce the appearance of dark spots and even tone, with antioxidant activity. It is effective at low concentrations.

Is Phenylethyl Resorcinol considered safe for skin?

Can be irritating and is light- and heat-sensitive, so packaging matters; patch test.

RRevelika

A science-forward beauty ingredient encyclopedia. Every entry is written from published research and graded conservatively before it publishes.

Editorial standard

Content is educational, not medical advice. When evidence is uncertain we say so — and we default to caution on pregnancy safety.

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