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Brightening

4-Butylresorcinol

whitening-grading-trend
Brightening
INCI: 4-Butylresorcinol
In short · TL;DR
Category
Brightening
Effect
Melanin production suppression. Known as 'Rucinol,' an MHLW-approved quasi-drug active ingredient (brightening)
Concentration
0.1-0.3%
Effect
Melanin production suppression. Known as 'Rucinol,' an MHLW-approved quasi-drug active ingredient (brightening)
Mechanism
Dual inhibition of tyrosinase substrate binding site and copper binding site
Typical concentration
0.1-0.3%
Onset
Pigmentation: 8-16 weeks
Cautions
A brightening ingredient with relatively low irritation
Journal

Related Journal

1
Skin Longevity SeriesGrading the Buzzwords of Brightening Skincare
This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.
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