ʻO ka salicylic acid CAS: 69-72-7 kahi pūhui kaulana me ka nui o ka hoʻohana.He pauda crystalline keʻokeʻo i unuhi ʻia mai ka ʻili willow, ʻoiai ua hana pinepine ʻia ia i ka synthetically i kēia mau lā.Hiki ke hoʻoheheʻe ʻia ka waikona salicylic i ka ethanol, ether a me ka glycerin, hiki ke hoʻoheheʻe iki ʻia i ka wai.He wahi hehee kona ma kahi o 159°C a he 138.12 g/mol.
Ma ke ʻano he hui multifunctional, ʻo ka salicylic acid ka nui o nā noi i nā ʻoihana like ʻole.Ua ʻike nui ʻia no kāna mau waiwai kupaianaha i nā huahana mālama ʻili.ʻO ka waikawa salicylic kahi mea koʻikoʻi i loko o nā ʻano hana lapaʻau he nui ma muli o kāna mau exfoliating a me nā waiwai antimicrobial, ka mea e hakakā pono ai i ka maʻi bacteria.Hoʻohui, kōkua ia i ka wehe ʻana i nā pores, hoʻemi i ka mumū, a hoʻokele i ka hana ʻaila no ka ʻoi aku ka maikaʻi o ka ʻili.
Ma waho aʻe o ka hana nui i nā huahana mālama ʻili, hoʻohana nui ʻia ka salicylic acid i ka ʻoihana lāʻau.He mea nui ia i ka hana ʻana i nā lāʻau lapaʻau e like me ka aspirin, ka mea i ʻike ʻia no kāna mau ʻeha a me nā mea anti-inflammatory.Hoʻohui ʻia, loaʻa i ka salicylic acid nā waiwai antiseptic a me keratolytic, e lilo ia i mea waiwai nui i nā lāʻau lapaʻau no nā warts, calluses, a me psoriasis.