Salicylic acid - Njirimara
Ngwaahịa a bụ ezigbo agịga kristal na-acha ọcha ma ọ bụ ntụ ntụ ọcha kristal; enweghị isi ma ọ bụ ihe fọrọ nke nta ka ọ bụrụ isi; aqueous ngwọta na-egosi acidic mmeghachi omume. Ngwaahịa a na-adị mfe soluble na ethanol ma ọ bụ ether, soluble na mmiri esi mmiri, ntakịrị soluble na trifluoromethane, ntakịrị soluble na mmiri.
Okwu mmalite nke salicylic acid
Salicylic acid, nke a makwaara dị ka salicylic acid, bụ ntụ ntụ kristal na-acha ọcha, nke na-esighị ike, na-enwe uto na-elu ilu ma na-atọ ụtọ. Ọ dị na ogbugbo willow, akwụkwọ pel ọcha na birch ụtọ na okike. Chemical usoro C6H4 (OH) (COOH), agbaze ebe 157-159 ℃, nwayọọ nwayọọ na-agbanwe agba n'okpuru ìhè. Njupụta ndị ikwu bụ 1.44. Ebe a na-esi esi bụ ihe dịka 211 ° C / 2.67kPa. Mkpokọta na 76 Celsius C. N'okpuru nrụgide nkịtị, enwere ike imebi ya na phenol na carbon dioxide site na ikpo ọkụ ngwa ngwa. Soluble na ethanol, ether, chloroform, benzene, acetone, turpentine, na-adịghị mfe mgbaze na mmiri. 1 g nke salicylic acid nwere ike igbari na 460ml mmiri, 15ml nke esi mmiri, 2.7ml ethanol, 3ml acetone, 3ml ether, 42ml nke chloroform, 135ml nke benzene, 52ml turpentine, banyere 60ml nke glycerin na 80 ml nke glycerin. ether. Ịgbakwunye sodium phosphate, borax, wdg nwere ike ime ka mmiri dị na salicylic acid dịkwuo elu. pH nke mmiri salicylic acid ngwọta bụ 2.4. Salicylic acid na ferric chloride aqueous ngwọta na-emepụta agba odo odo pụrụ iche.
O nwere ike ịbụ na ị nụbeghị maka salicylic acid, mana ị ga-amarịrị aspirin. N'ezie, aspirin bụ ihe sitere na salicylic acid.Na mgbakwunye na salicylic acid synthetic na ọgwụ ụfọdụ, salicylic acid eke nwekwara ọgaranya n'ọtụtụ nri, dị ka ọtụtụ mkpụrụ osisi, akwụkwọ nri, kọfị, tii, mkpụrụ, ngwa nri na mmanụ aṅụ. Salicylic acid ndị a sitere n'okike bụ osisi A na-esi echebe onwe ya megide pests, fungi na ọrịa. Otú ọ dị, salicylic acid, ma ọ bụ ihe okike ma ọ bụ nke sịntetik, nwere ike ime ka mmeghachi omume ọjọọ na ụfọdụ ndị. dị ka aspirin nwere salicylates dị elu karịa nri. Dịka ọmụmaatụ, nri salicylic acid na-eri nri bụ 10-200 mg kwa ụbọchị, ma e jiri ya tụnyere 325-650 mg maka ọgwụ aspirin. Nnyocha achọpụtala na aspirin na-abawanye ohere nke ọrịa eriri afọ.
Salicylic acid - atụnyere AHA maka mmetụta ịchọ mma
A na-ewepụta salicylic acid (BHA) site n'ụgbụgbọ willow na akwụkwọ holly, nke a makwaara dị ka ihe oriri; acid mkpụrụ osisi (AHA) na-esi na okpete; ọ bụ acid a na-ewepụta site na akụrụngwa abụọ dị iche iche. Ha abụọ nwere ike chịkwaa mmanụ, wepụsịa, kpochapụ ihe otutu, mebie pores, ma kpochapụ ntụpọ. Enwere ike iji peel acid mkpụrụ osisi nwere ihe karịrị 50% naanị site n'aka onye dọkịta gbasara akpụkpọ ahụ, ebe a na-ekewa peel salicylic acid dị ka ọgwụgwọ ahụike n'agbanyeghị itinye uche ya. Ọ dị mma ịmara na mmadụ ole na ole adịghị mma maka iji ntinye mmiri ọ bụla. Salicylic acid, ya mere, salons mma izugbe enweghị ike ime ya. A na-ahapụ ya n'ụzọ iwu ka ọ na-eme peeling akpụkpọ ahụ na ntinye nke mkpụrụ osisi n'okpuru 40% n'ime ụlọ ndị mara mma. N'iji ya tụnyere, acid mkpụrụ osisi dị nchebe karịa salicylic acid. N'ihe banyere mmetụta, salicylic acid na-akpọchi naanị na elu stratum corneum, ọ na-arụ ọrụ dị mfe ọgwụgwọ na igbochi, na mgbanwe nke akpụkpọ udidi bụ nanị nwa oge, mgbe mkpụrụ osisi acid na-abanye na dermis ka fundamentally ịgbanwe akpụkpọ udidi. nke enwere ike gwọọ ya. Ee, maka olulu ihe otutu nke dermis mebiri emebi, mmetụta nke salicylic acid enweghị ike, yabụ enweghị ike ịkpọ salicylic acid "salicylic acid peeling", naanị enwere ike ịkpọ ya "ngwọta salicylic acid". Nchekwa na mmetụta nke salicylic acid peeling na mkpụrụ osisi acid peeling dị iche iche, n'ihi na mkpụrụ osisi acid adịghị egbu egbu ma nwee ike iji ya site na ala ruo elu (8% -15% -20% -30% -40%), jiri nwayọọ nwayọọ na-emegharị ka. ọ gaghị eme ka akpụkpọ ahụ ọkụ, nkwarụ ma ọ bụ mmetụta ọ bụla. Na salicylic acid bụ ihe na-egbu egbu, oke ntinye uche adịghị mma maka iji ihu, enwere oke ntinye uche, salicylic acid nwere ntinye nke 3% -6% nwere ike iji mee ihe maka exfoliation, karịa 6% na-emebi akpụkpọ ahụ. , nnukwu ịta nke 40% salicylic acid nwere ihe na-emebi emebi nke keratin siri ike.
Kedu ihe salicylic acid na-eme?
Dị ka ụkpụrụ nke State Food and Drug Administration (CFDA) si kwuo, oke oke nke ntinye ihe ntecha bụ 2%. E gosiputara na 0.5%-2% salicylic acid adịghị mma maka ọgwụgwọ ihe otutu. A naghị atụ aro ka ị chọọ ngwaahịa nwere itinye uche dị elu. Ntinye uche a zuru oke iji rụọ ọrụ nke ọma.
Salicylic acid nwere ike igbari ciment n'etiti cuticles ma mee ka ọkpụkpụ ahụ daa, n'ihi ya, ọ nwere ike wepụ ihe ndị na-egbuke egbuke ma kwalite metabolism.
Akpụkpọ anụ ahụ: Ọrụ bụ isi nke stratum corneum nke akpụkpọ ahụ bụ ichekwa mkpụrụ ndụ nke oyi akwa ọ bụla nke akpụkpọ ahụ. Metabolism nke oyi akwa sel epidermal ga-apụta n'ụzọ nkịtị. eke crumbs. Keratin ochie nke na-adịghị adapụkarị ga-eme ka akpụkpọ ahụ yie ihe siri ike ma na-agwụ ike, na-ebelata ọnụ ọgụgụ nke metabolism anụ ahụ, ọbụnakwa na-etolite ihe otutu iji gbochie pores.
Mmetụta nke exfoliation: salicylic acid nwere ike wepụ oke cuticle, ma n'otu oge ahụ na-akwalite nkwalite ngwa ngwa nke mkpụrụ ndụ epidermal; Ọ bụrụ na mkpụrụ ndụ epidermal dị ọhụrụ ma na-eto eto jupụtara na ume, ọ ga-eme ka ọ dịghachi mma ma dị nro.
Mbelata pores: Salicylic acid bụ abụba-soluble, ma nwee ike ịbanye n'ime oghere miri emi nke pores tinyere glands sebaceous nke na-ezobe mmanụ, nke bara uru igbari cuticles ochie gbakọtara na pores ma melite ọnọdụ nke pores egbochiri, ya mere ọ nwere ike igbochi ya. nguzobe nke otutu na ibelata ya Mgbatị pores.
Mgbochi nke otutu: salicylic acid na-arụ ọrụ na mkpụrụ ndụ nke mgbidi follicle ntutu, nke nwere ike inye aka wepụ ntutu isi egbochiri ma mezie nsị cell na-adịghị mma. Ọ nwere ike igbochi nkwụsị pore maka obere ihe otutu ma dị irè maka isi ojii. Ọ nwere ike ibelata mgbidi follicle ntutu Mpụpụ na-adịghị mma, na-egbochi ọnya ọhụrụ, ma ọ nweghị mmetụta na ibelata sebum secretion na ikpochapụ acne bacilli.
Ọrụ salicylic acid bụ ihicha cutin ịka nká, na-eme ka akpụkpọ ahụ dị nro karị, na-adịkarịghị enwekarị ihe otutu.
Kpọtụrụ: Yoyo Liu
Tel/WhatsApp: +86 13649251911
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Oge nzipu: Mar-08-2023
