Kedu otu esi etinye vitamin A na ngwaahịa nlekọta anụ ahụ?

Anyị maara na ihe ka ọtụtụ n'ime ihe ndị na-arụsi ọrụ ike nwere ubi nke ha.Hyaluronic acid moisturizing, arbutin whitening, Boseline anti wrinkle, salicylic acid acne, na mgbe ụfọdụ na-eto eto ole na ole nwere slash, dị ka.vitamin C,resveratrol, ma ịcha ọcha na mgbochi ịka nká, mana ihe karịrị mmetụta atọ apụọlarịrị.
Enwere ọtụtụ nde ihe eji elekọta anụ ahụ, mana ọ nweghị ọtụtụ enwere ike iji. Otú ọ dị, otu ihe bụ ihe dị iche, nke bụ "mmanụ zuru ụwa ọnụ" na ihe nlekọta anụ ahụ -vitamin A.
Kedu ihe kpatara eji akpọ vitamin A "mmanụ ụwa" n'ime ihe nlekọta anụ ahụ? Gịnị bụ mmetụta ịgbakwụnye vitamin A na ngwaahịa nlekọta anụ ahụ? Aga m agwa gị azịza ya taa~
Vitamin A bụ vitamin soluble abụba. Vitamin A nwere ike ịnọgide na-enwe uto kwesịrị ekwesị, ọdịiche, mmụba, na keratinization nke mkpụrụ ndụ akpụkpọ ahụ. Ọ bara ụba na akwụkwọ nri na mkpụrụ osisi dị iche iche, ma dịkwa ukwuu na imeju ụmụ anụmanụ, na-egbo mkpa anụ na ihe oriri.
Vitamin A nwere ọtụtụ ụdị na ọ bụghị otu ogige, kama usoro nke retinol, gụnyere retinol, retinol aldehyde, retinoic acid, retinol acetate, na retinol palmitate.
Uru nlekọta anụ ahụ siri ike nke vitamin A na-eme ka a na-ejikarị ya na ngwaahịa nlekọta anụ ahụ dị iche iche
Otú ọ dị, retinol enweghị ike ime ihe na akpụkpọ ahụ mmadụ. Ọ dị mkpa ka a gbanwee ya na retinoic acid site na enzymes mmadụ iji nwee mmetụta nlekọta anụ ahụ.
Ojiji vitamin A na ngwaahịa nlekọta anụ ahụ gụnyere naanị iji retinol, retinol, na usoro ha. Retinol na retinol nwere ike metabolized ngwa ngwa na retinoic acid, na-arụ ọrụ ngwa ngwa.
Vitamin A na-arụ ọrụ dị mkpa n'ịchịkwa ọdịiche nke keratinocytes, ya mere arụmọrụ ya dị ka ọnụ ụzọ ámá nke dam.
✔Na-acha ọcha:
Ntinye nke melanin bụ ihe kpatara ịgba ọchịchịrị. Vitamin A nwere ike igbochi ntinye nke pigmenti ma kwalite mwepu nke stratum corneum, na-edozi nsogbu nke nchịkọta pigmenti nke ọma na inwe mmetụta dị ọcha.
✔Na-ewepu wrinkles:
Vitamin A, dị ka onye ogbugbo, nwere ike ịhazi metabolism nke epidermis na stratum corneum, ebe ọ na-akwalite njikọ cell collagen. Maka wrinkles dị ugbu a na ahụ ahụ na-eme ka ahụ dị jụụ, imeju ya na collagen nwere ike inyere akpụkpọ ahụ gị aka ịdị nro ma dịkwa nro ọzọ.
✔ Imelite ịka nká foto:
Mgbe akpụkpọ ahụ mmadụ na-ekpughere radieshon ultraviolet, ọ nwere ike ịkpali metalloproteinases (MMPs) n'ime ahụ, mebie usoro metabolism nke collagen nkịtị, ma nwee mmetụta dị ukwuu site na radieshon ultraviolet, nke nwere ike iwepụta nzaghachi nrụgide, na-ekwe ka collagen ọhụrụ na ochie nwee ike. a ga-ekpochapụ n'ahụ na-enweghị ọdịiche.
Ya mere, vitamin A nwere mmetụta pụrụ iche, nke ọma na-egbochi ndị nnupụisi na-arụ ọrụ nke metalloproteinases MMP1 na MMP9, bụ ndị na-adịchaghị mfe na mkpali UV, na-egbochi nkwụsị nke collagen nke ọma, na-egbochi photoaging, ibelata wrinkles, na tightening akpụkpọ.
✔ Mwepụ ihe otutu:
Vitamin A dị oke egwu nke na ọ bụghị naanị na ọ nwere ike ịkwalite nrụpụta cell nke basal stratum corneum, kamakwa ọ na-eme ka ọnụego metabolic nke stratum corneum dịkwuo elu. Yiri mmetụta nke acid mkpụrụ osisi, ọ na-akwalite mwụfu keratin gabiga ókè ma na-egbochi pores. Ya mere, a na-ejikarị agwọ ọrịa otutu ma nwee ike nweta yammetụta mgbochi mkpali.