1. Siv nyob rau hauv cov tshuaj raws li ib tug diuretic, urinary system tiv thaiv kab mob, kuj siv raws li ib tug xim photography tsim stabilizer, siv nyob rau hauv tshuaj pleev ib ce rau whitening, freckle, tu plaub hau, thiab lwm yam.
2. Ib qho glycosylated hydroquinone siv los kawm melatonin biosynthesis thiab ua ib qho inhibitor rau kev txheeb xyuas, paub qhov txawv thiab txheeb xyuas tyrosinase. Arbutin yog glycosylated hydroquinone muab rho tawm los ntawm tsob ntoo bearberry. Arbutin yog ib tug paub tyrosinase inhibitor, uas nyob rau hauv lem tiv thaiv kev tsim ntawm melanin. Arbutin feem ntau yog siv los ua cov tshuaj pleev xim rau hauv cov tshuaj pleev ib ce.
3. inhibit melanocyte tyrosinase kev ua si thiab inhibit melanin ntau lawm los ntawm inhibiting melanin synthase.