Metabolism na epidermis shine cewa basal keratinocytes a hankali suna motsawa sama tare da bambance-bambancen tantanin halitta, kuma a ƙarshe su mutu don samar da wani nau'i na stratum corneum wanda ba a tsakiya ba, sa'an nan kuma ya fadi.An yi imani da cewa tare da karuwar shekaru, basal Layer da kashin baya sun lalace, haɗin gwiwa na epidermis da dermis ya zama lebur, kuma kauri na epidermis yana raguwa.A matsayin babban shinge na jikin ɗan adam, epidermis yana hulɗa kai tsaye tare da yanayin waje kuma yana da sauƙin tasiri ta hanyoyi daban-daban na waje.Epidermal tsufa ya fi sauƙi yana nuna tasirin shekaru da abubuwan waje akan tsufa na ɗan adam.
A cikin epidermis na tsufa fata, bambancin girman, ilimin halittar jiki da kuma lalata Properties na basal Layer sel yana ƙaruwa, haɗin epidermis da dermis a hankali ya zama lebur, ƙusa na epidermal ya zama mai zurfi, kuma kauri na epidermis yana raguwa.Kaurin epidermal yana raguwa da kusan 6.4% a kowace shekara goma, kuma yana raguwa har ma da sauri a cikin mata.Epidermal kauri yana raguwa da shekaru.Wannan canjin ya fi fitowa fili a wuraren da aka fallasa, gami da filayen fuska, wuya, hannaye, da gaɓoɓin gaba.Keratinocytes suna canza siffar kamar shekarun fata, suna zama guntu kuma sun fi girma, yayin da keratinocytes suka zama mafi girma saboda gajeren lokaci na epidermis, lokacin sabuntawa na tsufa na epidermis yana ƙaruwa, aikin haɓaka na ƙwayoyin epidermal ya ragu, kuma epidermis ya zama mai zurfi.bakin ciki, yana sa fata ta rasa elasticity da wrinkle.
Saboda waɗannan sauye-sauyen ilimin halittar jiki, haɗin gwiwar epidermis-dermis ba shi da ƙarfi kuma yana da rauni ga lalacewar ƙarfin waje.Yawan melanocytes a hankali yana raguwa bayan shekaru 30, ƙarfin haɓaka ya ragu, kuma aikin enzymatic na melanocytes yana raguwa a cikin adadin 8% -20% a cikin shekaru goma.Ko da yake fata ba ta da sauƙi ga tanƙwara, ƙwayoyin melanocytes suna da wuyar yaduwa a cikin gida don samar da alamun launi, musamman a wuraren da rana ta fito.Kwayoyin Langerhans kuma suna raguwa, yana sa aikin rigakafi na fata ya ragu kuma yana iya kamuwa da cututtuka.
Anlayzer fataza a iya amfani da na'ura don gano wrinkles na fuska, laushi, asarar collagen, da kwandon fuska don taimakawa wajen gano tsufar fatar fuska.
Lokacin aikawa: Mayu-12-2022
