Yintoni ukusetyenziswa kokongeza ivithamin A kwiimveliso zokhathalelo lwesikhumba?

Siyazi ukuba uninzi lwezithako ezisebenzayo zinemihlaba yazo.I-Hyaluroniki yokuthambisa, i-arbutin whitening, i-Boseline anti wrinkle, i-salicylic acid acne, kwaye ngamanye amaxesha abantu abatsha abambalwa abane-slash, njengeivithamin C,i-resveratrol, zombini ukwenza mhlophe kunye nokuchasana nokuguga, kodwa iziphumo ezingaphezulu kwezintathu zihambile.
Kukho izigidi zezithako zokhathalelo lwesikhumba, kodwa azikho zininzi ezinokusetyenziswa.Nangona kunjalo, isithako esinye sihlukile, "ioyile yendalo yonke" kwizithako zokhathalelo lwesikhumba -ivithamin A.
Kutheni le nto ivithamin A ibizwa ngokuba "yioyile yendalo yonke" kwizithako zokhathalelo lwesikhumba?Zithini iziphumo zokongeza ivithamin A kwiimveliso zokhathalelo lwesikhumba?Ndiza kukuxelela impendulo namhlanje ~
Ivithamin A yivithamin enyibilikayo ngamafutha.I-Vitamin A inokugcina ukukhula okuqhelekileyo, ukwahlula, ukwanda, kunye ne-keratinization yeeseli zesikhumba.Ityebile kwimifuno eyahlukeneyo kunye neziqhamo, kwaye ininzi esibindini sezilwanyana, ukuhlangabezana neemfuno zenyama kunye nemifuno edibeneyo.
I-Vitamin A ineendlela ezininzi kwaye ayikho i-compound enye, kodwa i-derivatives derivatives ye-retinol, kuquka i-retinol, i-retinol aldehyde, i-retinoic acid, i-retinol acetate, kunye ne-retinol palmitate.
Izibonelelo ezinamandla zokhathalelo lwevithamin A ziyenza isoloko isetyenziswa kwiimveliso ezahlukeneyo zokhathalelo lwesikhumba
Nangona kunjalo, i-retinol ayikwazi ukusebenza ngokuthe ngqo eluswini lomntu.Kufuneka iguqulwe ibe yi-asidi ye-retinoic ngama-enzymes abantu ukuze ibe nefuthe le-skincare.
Ukusetyenziswa kwevithamin A kwiimveliso zokhathalelo lwesikhumba kubandakanya kuphela ukusetyenziswa kwe-retinol, i-retinol, kunye nezinto eziphuma kuzo.I-Retinol kunye ne-retinol inokuchithwa ngokukhawuleza kwi-asidi ye-retinoic, kunye nokusebenza ngokukhawuleza.
I-Vitamin A idlala indima ebalulekileyo ekulawuleni ukuhlukana kweekeratinocytes, ngoko ukusebenza kwayo kufana nesango ledama.
✔Ukwenza mhlophe:
Ukubekwa kwe-melanin ngunobangela wobumnyama.I-Vitamin A inokuthintela ukuchithwa kwe-pigment kunye nokukhuthaza ukuchithwa kwe-stratum corneum, ukusombulula ngokufanelekileyo ingxaki yokuqokelelwa kwe-pigment kunye nemiphumo enamandla yokukhanya.
✔Ukususa imibimbi:
I-Vitamin A, njengomlamli, inokulawula i-metabolism ye-epidermis kunye ne-stratum corneum, ngelixa ikhuthaza i-collagen cell synthesis.Kwimibimbi ekhoyo kunye nokuphumla kwezihlunu, ukongeza nge-collagen kunokunceda ulusu lwakho lube luthambile kwaye lube mpuluswa kwakhona.
✔ Ukuphucula ukuguga kweefoto:
Xa ulusu lomntu lubonakaliswe kwimitha ye-ultraviolet, inokuvuselela i-metalloproteinases (MMPs) emzimbeni, iphazamise i-collagen ye-metabolism evamile, kwaye ivuselelwe ngokugqithiseleyo yimitha ye-ultraviolet, enokuvelisa impendulo yoxinzelelo, ivumela i-collagen entsha kunye endala ukususwa emzimbeni ngaphandle kokuphazamiseka.
Ke ivithamin A inesiphumo esikhethekileyo, icinezela ngempumelelo abavukeli abasebenzayo be-metalloproteinases MMP1 kunye ne-MMP9, abangachaphazeleki kancinci kwi-UV stimulation, ukuthintela ngempumelelo ukulahleka kwe-collagen, ukuthintela ukufota, ukunciphisa imibimbi, kunye nokuqinisa ulusu.
✔ Ukususwa kwe-acne:
I-Vitamin A inomlingo kangangokuba ayinakukhuthaza kuphela ukuvuselelwa kweseli ye-basal stratum corneum, kodwa iphinde ikhawuleze isantya se-metabolism ye-stratum corneum.Ngokufana nefuthe le-asidi yeziqhamo, ikhuthaza ukuchithwa kwe-keratin engaphezulu kwaye ivule iipores.Ngoko ke, isoloko isetyenziselwa ukunyanga i-acne kwaye inokufezekisaiziphumo ezichasayo.