Brightening · Serum
4-Butylresorcinol
Also listed as: butylresorcinol, 4-n-butylresorcinol, rucinol
One of the stronger cosmetic tyrosinase inhibitors; low use levels.
Tone-evening actives like alpha arbutin, tranexamic acid and liquorice fade dark spots and old blemish marks.
- Targets: dark spots
Pairs well with
More brightening actives
Other serum ingredients
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Guidance based on ingredient data, not medical advice.