Potent tyrosinase inhibitor; clinical evidence for melasma and post-inflammatory hyperpigmentation; better tolerated than hydroquinone; EU and Korea permitted; India no restriction; often marketed as 'Symwhite 377'; low sensitization risk at cosmetic concentrations
Function & Common Use
Active (skin brightening)
Active Ingredient
Brightening serums hyperpigmentation products
Synthetic
Concentration Limits
No limit
No limit
No specific 21 CFR cosmetic limit identified in source checked
No specific MFDS limit identified in source checked; verify if ingredient is used in a Korean functional cosmetic category
Format restriction: Leave-on
Pregnancy: No specific restriction identified in source checked; standard cosmetic use
Frequently Asked Questions
Is Phenylethyl Resorcinol safe to use in skincare?
Phenylethyl Resorcinol has a Low concern rating from The Clean Sheet. Potent tyrosinase inhibitor; clinical evidence for melasma and post-inflammatory hyperpigmentation; better tolerated than hydroquinone; EU and Korea permitted; India no restriction; often marketed as 'Symwhite 377'; low sensitization risk at cosmetic concentrations
Is Phenylethyl Resorcinol allowed in India?
Phenylethyl Resorcinol is currently classified as "Permitted" under Indian cosmetics regulations. No concentration limit is specified for India.
What is Phenylethyl Resorcinol used for in cosmetics?
Phenylethyl Resorcinol functions as: Active (skin brightening). It is commonly found in: Brightening serums hyperpigmentation products.
Regulatory Status
Identifiers
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