Ingredient · INCI listed
4 Butylresorcinol
A potent resorcinol-based brightener that strongly inhibits melanin production, effective on stubborn dark spots and melasma. A focused pigment corrector.
Data summary
Products containing
3
Most common in
2 products
treatments
Typical pairing
Niacinamide (Vitamin B3)
Verified reviewer
In the catalog
4 Butylresorcinol by the numbers.
We've catalogued 3 products that use 4 butylresorcinol, and it's strongly concentrated in treatments — 2 products, 67% of where it shows up. Formulations carrying it score 78/100 on average (well above the catalog norm); the strongest is SkinCeuticals Discoloration Defense at 86/100.
Of those, 2 products score 80 or higher in our analysis. It co-occurs most with Niacinamide (3 shared formulas) and Tranexamic Acid (2 shared formulas).
Where it shows up
