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Ingredient

Alpha-Arbutin

Korean label: 알파-아부틴

A lab-made, more stable form of arbutin (a glycoside of hydroquinone) that competitively inhibits tyrosinase, the key enzyme in melanin production, to gradually fade dark spots and even out skin tone.

Key facts

INCI name
Alpha-Arbutin
Also known as
알파-아부틴
Evidence grade
moderate evidence
Pregnancy
Caution
Reviewed

Similar ingredients

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Good to know

Pregnancy cautioncaution

Some guidance advises avoiding or limiting this during pregnancy — check with your doctor.

What it does

moderate evidence

Benefits

  • Fades dark spots, post-acne marks, and uneven tone over time
  • More potent tyrosinase inhibitor than plant-derived (beta) arbutin
  • A gentler alternative to hydroquinone with better tolerability
  • Generally well tolerated across skin types at cosmetic levels

Side effects

  • Occasional mild irritation; introduce slowly
  • Brightening is gradual and needs consistent use plus daily sunscreen
  • Can hydrolyze toward hydroquinone under unstable conditions

Who it's for

People targeting dark spots, melasma, or uneven tone

Who should be careful

Avoid in pregnancy and breastfeeding (hydroquinone-derived family)

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