No ke aha ʻoe e koho ai i ka 4-Butylresorcinol

ʻO ka mea mua, pono mākou e ʻike i ke kumu o ka resorcinol.
ʻO Lipofuscin kekahi o nā mea paʻakikī loa e hoʻopili i ka melanin. Ma keʻano laulā, hoʻohana ʻia ka hydroquinone i ka nani olakino.
ʻO ka Hydroquinone kahi mea hana keʻokeʻo maikaʻi loa. ʻO ka hana keʻokeʻo e pale i ka hana o tyrosinase a pale i ka hoʻokumu ʻana o ka melanin, a he mea kupaianaha loa ka hopena.
Eia nō naʻe, ʻike like kona hopena ʻaoʻao, a ʻoi aku ka maikaʻi o nā pōmaikaʻi ma mua o nā pono o ka whitening.
He oxidizable loa ia i ka lewa, a pono e hoʻohana ʻia i ka wā e hoʻohui ai i nā mea hoʻonaninani.
hiki ke hana i ka ʻulaʻula o ka ʻili;
Inā ʻoi aku ka nui o ka manaʻo ma mua o 5%, e hoʻoulu ʻia ka sensitization, a aia kekahi mau hiʻohiʻona o ka leukoplakia. I kēia manawa, ʻōlelo ka US Food and Drug Administration i nā huahana hydroquinone me ka ʻoi aku ka nui ma mua o 4% he lāʻau lapaʻau a ʻaʻole ʻae ʻia e kūʻai ʻia.