Tsarin metabolism na epidermis shine cewa ƙwayoyin keratinocytes na basal suna motsawa a hankali tare da bambancin ƙwayoyin halitta, kuma daga ƙarshe sun mutu don samar da corneum mara nucleated, sannan su faɗi. Gabaɗaya ana tsammanin cewa tare da ƙaruwar shekaru, layin basal da layin spinous suna lalacewa, haɗin epidermis da dermis ya zama lebur, kuma kauri na epidermis yana raguwa. A matsayin shingen waje na jikin ɗan adam, epidermis yana hulɗa kai tsaye da muhallin waje kuma yana da sauƙin shafar abubuwa daban-daban na waje. Tsufawar epidermal cikin sauƙi yana nuna tasirin shekaru da abubuwan waje akan tsufar ɗan adam.
A cikin fatar fata mai tsufa, bambancin girmanta, siffarta da kuma halayen tabo na ƙwayoyin basal yana ƙaruwa, haɗuwar epidermis da dermis a hankali yana zama lebur, ƙusa ta epidermis tana ƙara zurfi, kuma kauri na epidermis yana raguwa. Kauri na epidermis yana raguwa da kusan kashi 6.4% a kowace shekara goma, kuma yana raguwa da sauri a cikin mata. Kauri na epidermis yana raguwa da shekaru. Wannan canjin ya fi bayyana a wuraren da aka fallasa, gami da saman extensor na fuska, wuya, hannaye, da hannuwa. Keratinocytes suna canza siffa yayin da fata ke tsufa, yana zama gajeru da kiba, yayin da keratinocytes ke girma saboda ɗan gajeren juyawa na epidermal, lokacin sabuntawa na epidermis mai tsufa yana ƙaruwa, aikin yaduwar ƙwayoyin epidermal yana raguwa, kuma epidermis ya zama siriri. wanda ke haifar da asarar laushi da wrinkles.
Saboda waɗannan canje-canjen siffar jiki, haɗin epidermis-dermis ba shi da ƙarfi kuma yana fuskantar barazanar lalacewar ƙarfi daga waje. Yawan melanocytes yana raguwa a hankali bayan shekaru 30, ƙarfin yaduwar ƙwayoyin halitta yana raguwa, kuma aikin enzymatic na melanocytes yana raguwa a cikin kashi 8%-20% a kowace shekaru goma. Duk da cewa fata ba ta da sauƙin yin launin ruwan kasa, melanocytes suna da saurin yaduwa a gida don samar da tabo na launi, musamman a wuraren da rana ke haskakawa. Kwayoyin Langerhans suma suna raguwa, wanda ke sa aikin garkuwar jiki na fata ya ragu kuma yana iya kamuwa da cututtuka masu yaɗuwa.
Na'urar rage fataAna iya amfani da injin don gano wrinkles na fatar fuska, laushi, asarar collagen, da kuma yanayin fuska don taimakawa wajen gano tsufar fatar fuska.
Lokacin Saƙo: Mayu-12-2022
