Brightening

Undecylenoyl Phenylalanine

INCI · Undecylenoyl Phenylalanine · also Sepiwhite

Revelika safety grade

Overview

A synthetic ingredient used to help even skin tone and reduce the look of dark spots by interfering with the signaling that stimulates pigment production. It targets discoloration without acids.

Who it's for

Those addressing uneven tone and dark spots who want a non-acid option.

Cautions

A cosmetic tone-evening ingredient, not a treatment for medical pigmentation disorders.

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 Undecylenoyl Phenylalanine do in skincare?

A synthetic ingredient used to help even skin tone and reduce the look of dark spots by interfering with the signaling that stimulates pigment production. It targets discoloration without acids.

Is Undecylenoyl Phenylalanine considered safe for skin?

A cosmetic tone-evening ingredient, not a treatment for medical pigmentation disorders.

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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