4-butylresorcinol is a brightening resorcinol derivative also known as Rucinol. It's a potent tyrosinase inhibitor that exploits synergies with vitamin C to dramatically…

cipherskincareSeptember 21, 2022
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Details on the ingredients in our rapid refining antioxidant serum: C-Shield. Synergistic preventative and corrective action to visibly brighten skin.