Salicylic Acid - Nā Pono
ʻO kēia huahana he keʻokeʻo keʻokeʻo nila a i ʻole ka pauka crystalline keʻokeʻo; ʻala ʻole a kokoke ʻole ʻole; hōʻike ʻia ka hopena waika. Hiki ke hoʻoheheʻe ʻia kēia huahana i ka ethanol a i ʻole etera, hiki ke hoʻoheheʻe ʻia i ka wai paila, hiki ke hoʻoheheʻe ʻia i ka trifluoromethane, hiki ke hoʻoheheʻe ʻia i ka wai.
Hoʻomaka i ka Salicylic Acid
ʻO ka waika salicylic, i ʻike ʻia hoʻi ʻo ka salicylic acid, he pauka keʻokeʻo keʻokeʻo, ʻaʻohe ʻala, me ka ʻono ʻawaʻawa a me ka ʻono ʻono. Aia ia ma ka ʻili willow, nā lau momi keʻokeʻo a me ka birch momona ma ke ʻano. ʻO ke kumu kemika C6H4(OH)(COOH), ka helu heheʻe 157-159 ℃, hoʻololi mālie ke kala ma lalo o ka mālamalama. ʻO 1.44 ka mānoanoa pili. ʻO ka helu paila ma kahi o 211°C/2.67kPa. Hoʻopili ʻia ma 76°C. Ma lalo o ke kaomi maʻamau, hiki ke hoʻoheheʻe ʻia i phenol a me carbon dioxide e ka hoʻomehana wikiwiki. Hiki ke hoʻoheheʻe ʻia i ka ethanol, ether, chloroform, benzene, acetone, turpentine, ʻaʻole hiki ke hoʻoheheʻe ʻia i ka wai. Hiki ke hoʻoheheʻe ʻia 1g o ka salicylic acid i 460ml o ka wai, 15ml o ka wai paila, 2.7ml o ka ethanol, 3ml o ka acetone, 3ml o ka etera, 42ml o ka chloroform, 135ml o benzene, 52ml o turpentine, e pili ana i 60ml o ka glycerin a me ka petroleum. etera. Hiki i ka hoʻohui ʻana i ka sodium phosphate, borax, a me nā mea ʻē aʻe ke hoʻonui i ka solubility o ka wai salicylic i ka wai. ʻO 2.4 ka pH o ka ʻakika salicylic aqueous. ʻO ka waika salicylic a me ka ferric chloride aqueous solution e hana i kahi waihoʻoluʻu poni kūikawā.
ʻAʻole paha ʻoe i lohe i ka salicylic acid, akā pono ʻoe e kamaʻāina me ka aspirin. ʻO kaʻoiaʻiʻo,ʻo ka aspirin he mea ia o ka salicylic acid. Ma waho aʻe o ka synthetic salicylic acid i kekahi mau lāʻau lapaʻau, waiwai nui ka salicylic acid i nā meaʻai he nui, e like me ka nui o nā huaʻai, nā mea kanu, ka kofe, ke kī, nā nati, nā meaʻala a me ka meli. ʻO kēia mau salicylic acids he mea kanu He mea ia e pale ai iā ʻoe iho i nā pests, fungi a me nā mai. e like me ka aspirin, aia ka nui o ka salicylates e like me ka meaʻai. ʻO kahi laʻana, ʻo ka ʻai ʻana o ka salicylic acid ka mea maʻamau he 10-200 mg i kēlā me kēia lā, hoʻohālikelike ʻia me 325-650 mg no ka nui o ka aspirin.
Salicylic Acid - Hoʻohālikelike ʻia me nā AHA no nā hopena Cosmetic
Lawe ʻia ka salicylic acid (BHA) mai ka ʻili willow a me nā lau holly, ʻike ʻia hoʻi ʻo ka ʻakika meaʻai; huaʻai ʻia (AHA) mai ke kō; he ʻakika i unuhi ʻia mai ʻelua mau mea maka. Hiki i nā mea ʻelua ke hoʻomalu i ka ʻaila, exfoliate, hoʻomaʻemaʻe i ka haki, hoʻoemi i nā pores, a hoʻopau i nā kīnā. Hiki ke hoʻohana wale ʻia kahi ʻili waikawa hua me ka ʻoi aku o ka 50% e ka dermatologist, aʻo ka salicylic acid peel i helu ʻia ma ke ʻano he lāʻau lapaʻau me ka nānā ʻole i ka ʻike. He mea pono e hoʻomaopopo ʻaʻole kūpono kekahi poʻe no ka hoʻohana ʻana i kekahi ʻano wai. Salicylic acid, no laila ʻaʻole hiki ke hoʻokō i nā salona nani. Ua ʻae ʻia i ke kānāwai e hana i ka ʻili ʻili me ka ʻike o ka waika hua ma lalo o 40% i nā salona nani. I ka hoʻohālikelike ʻana, ʻoi aku ka palekana o ka waika hua ma mua o ka salicylic acid. No ka hopena, paʻa wale ka salicylic acid i loko o ka stratum corneum superficial, hana wale ia i kahi hana o ka mālama maʻalahi a me ka pale ʻana, a ʻo ka hoʻololi ʻana o ke ʻano o ka ʻili he manawa pōkole wale nō, ʻoiai ʻo ka waika hua e komo i ka dermis e hoʻololi i ke ʻano o ka ʻili. hiki ke hoolaia. ʻAe, e like me nā lua o ka huehue i hana ʻia e nā dermis i hōʻino ʻia, ʻaʻohe mana o ka hopena o ka salicylic acid, no laila ʻaʻole hiki ke kapa ʻia ka salicylic acid "salicylic acid peeling", hiki ke kapa ʻia ʻo "salicylic acid treatment". ʻOkoʻa ka palekana a me ka hopena o ka peeling salicylic acid a me ka peeling acid fruit, no ka mea, ʻaʻohe mea ʻawaʻawa a hiki ke hoʻohana ʻia mai ka haʻahaʻa a hiki i ke kiʻekiʻe (8% -15% -20% -30% -40%). ʻaʻole ia e hōʻeha i ka ʻili, ʻino a i ʻole nā hopena ʻaoʻao. A he mea ʻawaʻawa ka salicylic acid, ʻaʻole kūpono ka ʻike kiʻekiʻe no ka hoʻohana ʻana ma ka maka, aia kekahi palena palena, hiki ke hoʻohana ʻia ka salicylic acid me ka 3% -6% no ka exfoliation, ʻoi aku ka kiʻekiʻe ma mua o 6% Corrosive i ka ʻili. , kahi kiʻekiʻe o ka 40% salicylic acid he ikaika keratin corrosive waiwai.
He aha ka salicylic acid?
Wahi a nā lula o ka State Food and Drug Administration (CFDA), ʻo ka palena kiʻekiʻe o ka neʻe ʻana o nā mea hoʻonaninani he 2%. Ua hōʻoia ʻia he palekana ka 0.5%-2% salicylic acid no ka mālama ʻana i ka haki. ʻAʻole ʻōlelo ʻia ʻoe e ʻimi i nā huahana me ka ʻoi aku ka kiʻekiʻe. Ua lawa kēia manaʻo no ka pono.
Hiki i ka salicylic acid ke hoʻoheheʻe i ka sima ma waena o nā cuticles a hāʻule i nā cuticles, no laila hiki iā ia ke wehe i nā cuticle mānoanoa a hoʻoikaika i ka metabolism.
ʻO ka metabolism o ka ʻili: ʻO ka hana nui o ka stratum corneum o ka ʻili ka pale ʻana i nā cell o kēlā me kēia papa o ka ʻili. E neʻe maoli ana ka metabolism o nā ʻāpana epidermal i waho. ʻO nā ʻōpala kūlohelohe. ʻO ke keratin kahiko ʻaʻole e hāʻule maʻamau e ʻike ʻia ka ʻili a ʻeleʻele, e hoʻolohi i ka wikiwiki o ka metabolism o ka ʻili, a e hana i ka ʻeʻe e ālai i nā pores.
ʻO ka hopena o ka exfoliation: Hiki i ka salicylic acid ke wehe i ka cuticle keu, a i ka manawa like e hoʻoikaika i ka hoʻohou wikiwiki o nā cell epidermal; inā he hou nā pūnaewele epidermal a piha i ka ikaika, e hoʻihoʻi maoli ia i ka ʻili maʻalahi a palupalu.
Hoʻoemi i nā pores: He momona ka waika salicylic, a hiki ke komo i loko o ka papa hohonu o nā pores ma ka sebaceous glands e huna ai i ka aila, he mea pono e hoʻopau i nā cuticles i hōʻiliʻili ʻia i loko o nā pores a hoʻomaikaʻi i ke kūlana o nā pores paʻa, no laila hiki iā ia ke poloka. ka hoʻokumu ʻana o ka ʻeʻe a me ka emi ʻana.
Kāohi ʻana i ka ʻeʻe: Hoʻohana ka salicylic acid i nā keʻena o ka paia follicle lauoho, hiki ke kōkua i ka wehe ʻana i nā follicle lauoho i hoʻopaʻa ʻia a hoʻoponopono i ka hoʻoheheʻe ʻana o nā cell abnormal. Hiki iā ia ke pale i ka pore blockage no nā ʻeleʻele liʻiliʻi a ʻoi aku ka maikaʻi no nā ʻeleʻele. Hiki iā ia ke hōʻemi i ka paia follicle lauoho ʻO ka exfoliation maʻamau, pale i nā ʻeha hou, akā ʻaʻohe hopena i ka hōʻemi ʻana i ka huna sebum a me ka hoʻopau ʻana i ka bacilli acne.
ʻO ka hana o ka salicylic acid ka hoʻomaʻemaʻe ʻana i ka cutin ʻelemakule, e ʻoi aku ka maʻalahi o ka ʻili, a me ka liʻiliʻi o ka ʻeha.
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Ka manawa hoʻouna: Mar-08-2023
