Abu na daya a cikin tsufan fata:
UV radiation, photoaging
70% na tsufa na fata ya samo asali ne daga daukar hoto
UV haskoki suna shafar collagen a jikinmu, wanda ke sa fata ta zama matashi. Idan collagen ya ragu, fata za ta rage elasticity, sagging, dillness, rashin daidaituwa na fata, hyperpigmentation, pigmentation da sauran matsalolin fata.
An raba faffadan bakan rana zuwa UVA da UVB. Hasken UVB yana da gajeriyar raƙuman ruwa kuma yana iya ƙone saman saman fatarmu kawai, ba zai iya shiga zurfi cikin fata ba; duk da haka, UVA haskoki suna da tsayi mai tsayi kuma suna iya shiga ta cikin gilashin da zurfi cikin fata, a ƙarshe yana raunana collagen kuma yana haifar da ci gaban wrinkles.
A cikin sauƙi, UVA yana haifar da tsufa, UVB yana haifar da konewa, kuma hasken ultraviolet zai iya lalata DNA ta salula, rage aikin fibroblast, kuma an katange haɗin collagen, wanda ke haifar da maye gurbi, tsufa, da apoptosis. Don haka, UV yana ko'ina, ko yana da rana ko gajimare, kuna buƙatar yin kyakkyawan aiki na kare rana.
Abu na biyu mafi mahimmanci a cikin tsufa na fata
Oxidative free radicals
Mabuɗin kalmar don radicals kyauta shine 'oxygen'. Muna shakar kusan kashi 98 zuwa 99 na iskar oxygen duk lokacin da muke numfashi; ana amfani da ita wajen ƙona abincin da muke ci da kuma sakin ƙananan ƙwayoyin cuta don ƙwayoyin jikinmu su sami ƙarfi, kuma yana fitar da kuzari mai yawa don sa tsokar mu ta yi aiki.
Amma watakila 1% ko 2% na iskar oxygen sun zaɓi wata hanya ta daban kuma mai haɗari, wannan ƙananan adadin oxygen, wanda ake kira free radicals, wanda ke kai hari ga sel. A tsawon lokaci, wannan lalacewa yana taruwa akan lokaci.
Mafi yawan abin lura shine alamun tsufa da ke nunawa akan fata. Jikinmu yana da tsarin kariya wanda ke gyara lalacewar da ake yi wa sel ɗinmu ta hanyar free radicals, amma idan radicals ya taru da sauri fiye da yadda kwayoyin jikin ke iya gyara su, a hankali fatar jiki ta tsufa.
Hoton da ke sama shine ainihin fatar jikinmu, za ku ga a fili cewa saman epidermis ya fi duhu, kuma dermis na ƙasa ya ɗan ɗan yi haske, dermis ita ce inda muke samar da collagen, kuma kwayoyin da ke samar da collagen ana kiran su fibroblasts, wanda shine. na'urorin yin collagen.
Fibroblasts a tsakiyar hoton sune fibroblasts, kuma gizo-gizo gizo-gizo da ke kewaye da su shine collagen. Fibroblasts ne ke samar da collagen, kuma matashin fata babbar hanyar sadarwa ce mai girma uku kuma tana saƙa sosai, tare da fibroblasts suna jan zaruruwan collagen da ƙarfi don baiwa matashin fata cikakkiyar siffa mai santsi.
Kuma tsohuwar fata, fibroblasts da haɗin gwiwar collagen tsakanin tarwatsewar tsofaffin fibroblasts sau da yawa za su ƙi shigar da collagen, bayan lokaci, fata kuma ta fara tsufa, wannan shine abin da muke yawan faɗin tsufa na fata, ta yaya zamu magance oxidation na fata samu?
Bugu da ƙari don ba da hankali ga hasken rana, za mu iya amfani da wasu tare da bitamin A, bitamin E, ferulic acid, resveratrol da sauran kayan aikin kula da fata; yawanci kuma yana iya cin 'ya'yan itatuwa da kayan marmari masu haske, kamar tumatur, tumatur yana da wadatar lycopene.
Yana iya sha iskar oxygen da kyau kuma yana hana oxidative stress, za ku iya ƙara yawan broccoli, broccoli yana ɗauke da wani sinadari mai suna mustard oil glycosides, bayan an sha wannan sinadari, za a adana shi a cikin fata, ta yadda ƙwayoyin fata za su iya kare kansu. , waɗannan 'ya'yan itatuwa da kayan marmari na iya inganta juriya ga tsufa.
Abu na uku mafi mahimmanci a cikin tsufa fata
Skin glycation
Glycation, a cikin sharuddan ƙwararru, ana kiransa amsawar glycosylation mara enzymatic ko amsawar Melad. Ka'idar ita ce rage sukari yana ɗaure ga sunadaran in babu enzymes; rage sugars suna da matukar jujjuyawa tare da sunadaran, da rage sukari da sunadarai suna yin dogon lokaci na iskar oxygen, dehydrogenation, da sake tsarawa, wanda ya haifar da samar da samfuran ƙarshen glycosylation na ƙarshen zamani, ko AGEs a takaice.
AGEs rukuni ne na ba za a iya jurewa ba, launin rawaya-launin ruwan kasa, masu alaƙa da sharar rayuwa waɗanda ba sa tsoron lalata enzyme, kuma suna ɗaya daga cikin manyan abubuwan da ke haifar da tsufa na ɗan adam. Yayin da muke tsufa, AGEs suna taruwa a cikin jiki, wanda ke haifar da karuwa a cikin taurin bangon ciki na jini, rashin daidaituwa a cikin metabolism na kashi wanda ke haifar da osteoporosis, da lalata ƙwayoyin collagen da elastin a cikin dermis da ke haifar da tsufa. An taƙaita tsufan fata ta hanyar glycation a cikin jumla ɗaya: sukari yana lalata sunadarai masu lafiya kuma yana canza tsarin samari na furotin zuwa tsoffin sifofin furotin, wanda ke haifar da tsufa da asarar elasticity na collagen da fibers na roba a cikin dermis.
Lokacin aikawa: Mayu-29-2024
