4-N-Butylresorcinol
4-N-Butylresorcinol is effective whitening agent that helps lighten your skin tone by inhibiting Tyrosinase activity, thereby decreasing Melanin production.  Also, 4-N-Butylresorcinol binds to skin’s fatty acid to disrupt the transportation of melanin to skin epidermis surface, which helps reduce the appearance of dark spots, freckles, and melasma.