Ana amfani da samfurori na Vitamin A, ciki har da retinol da Retin-A, "misali na zinari" na kula da tsofaffin tsufa, yana taimakawa fata ku duba ƙarami da kuma m. Amma ta yaya aka samar da waɗannan nau'o'in, kuma yaya tasirin su ne don magance wrinkles, da tsofaffin fata?
Abinci mai mahimmanci
An gano muhimmancin bitamin A ga lafiyarmu a farkon karni na 20, tare da gano matsayinsa a cikin yiwuwar amfrayo.
Tun daga wannan lokacin, an gano shi zama babban mawaki ba kawai a haifa ba, amma kuma hangen nesa, ci gaba, da kuma bambancin salula da haɓakawa. Saboda yana taimakawa wajen samar da kwayoyin fararen jini, bitamin A ya wajaba don tsarin lafiya mai lafiya.
Vitamin A kuma an san shi a matsayin retinol, kuma ana kiran su (ko na halitta ko a kerarre) ana kira retinoids. Saboda wannan kwayar ba zata iya hadawa ta jiki ba, yana bukatar cinyewa a abinci - ko ta hanyar dabbobin dabba, kamar kwai yolks, kifi, hanta, da nama, ko tsire-tsire, kamar launuka masu launin duhu da kayan lambu ciki har da dankali, da tumatir.
Taimaka wa tsofaffin fata
Matsayin Vitamin A a matsayin tsohuwar fata fata ta koma bayan shekarun 1980 lokacin da masu bincike suka gano cewa mai suna Tretinoin (sunan mai suna Retin-A) ya taimaka wajen bunkasa samar da collagen a cikin mice lokacin da ake amfani da su a jikin fata - wato, fata ba tare da tsufa ba daukan hotuna zuwa hasken ultraviolet daga rana.
Daidaitawar wannan binciken shine maganganun da likitocin ke rubutawa na tretinoin don kuraje cewa marasa lafiya suna da laushi, tare da ƙananan wrinkles . Tretinoin daga bisani an gano shi ya tsoma baki tare da enzymes da ke aiki don karya rushewa a cikin launi na fata da kuma inganta yaduwar sabon collagen.
Tun daga wannan lokacin, an sake ganewa da tsauraran matakai a matsayin "ma'auni na zinari" na tsofaffi na tsofaffi, bisa ga marubuta na binciken bincike na 2003 da aka buga a cikin Journal of Drugs in Dermatology .
Kyakkyawan, Mara kyau da Kyau na Tretinoin
Tretinoin a wurare daban-daban (yawanci 0.01 - 0.1%) an yi nazari sosai a cikin bincike na gajeren lokaci da bincike na dogon lokaci, bisa ga wani binciken da aka yi na tsawon shekaru 2006 game da Harkokin Clinical a Aging .
Yayinda ake amfani da bitamin A mai amfani da maganin ciwon magunguna, isotretinoin (sunan mai suna Accutane ), kuma ya taimaka wa marasa lafiya da laushi, launin launin fata, inotretinoin na bakin ciki yana ɗauke da hadari mai lahani. Kodayake ba a nuna alamar tretinoin ba a cikin binciken don gabatar da wannan barazana, wasu rahotanni sun nuna matakan haihuwa a tsakanin mata da ke amfani da tretinoin a cikin fata a farkon farkon shekaru uku. Don haka ana gargadin mata akan amfani da samfurin yayin da suke ciki.
Babban mawuyacin masu amfani da kullun game da tretinoin shine sakamako na karshe wanda ake kira retinoitis retinoid, wanda ya shafi redness, haushi da ƙwaƙwalwa wanda zai iya bunkasa nan da nan ko a cikin 'yan makonni na farawa magani. Doctors sukan bayar da shawarar farawa tare da ƙaramin ƙira (0.01 - 0.025%), da kuma yin amfani da shi a ƙananan kuɗin kowace rana.
Canjawa daga gel zuwa wani tushe mai mahimmanci mai mahimmanci zai iya sauƙi fata fuska. Da zarar an gina juriya, yin amfani da tretinoin kowace rana da / ko ta amfani da kashi mai mahimmanci zai iya zama mai karuwa.
Komawa Kira
Tretinoin alama mafi inganci don rage girman launi da wrinkles, rage tsattsauran ra'ayoyin, fataccen fata, da inganta ingantaccen alamu. Zai iya ɗaukar 'yan watanni don wannan sakamako mai kyau ya bayyana, kuma sakamakon yana da kashi-dogara, ma'anar maƙalari masu ƙarfi sun kawo sakamakon da ya fi dacewa da sauri. Alal misali, yayin da maida hankali mai zurfin 0.05% zai iya rage yawan tasirin photodamage, haka kuma rabin rabi (ko 0.025%), amma karshen zai buƙaci lokaci mai tsawo.
Ba a nuna jinsin da ba kasa da 0.01% don taimaka wa fata ba.
Wasu dalilai da ke shafi yadda kyakkyawan aikin aiki ya haɗa da kwayoyin halittar mutum, da kullun fata, da kuma tasirin photodamage.
Sauran Abun Abun Magunguna
Tretinoin na iya haifar da hangen fata da kuma rarraba shi a matsayin magani (da ake buƙatar takardar sayan magani) ya yi bincike da yawa daga masana'antun masana'antu da kuma masana'antun magungunan ƙwayoyin magani a cikin masu dangantaka da marasa lafiya. Daga cikin wadannan su ne retinol, retinaldehyde, da kuma retinyl palmitate. Retinol ya canza zuwa tretinoin a cikin fata, ko da yake maida hankali ne kawai 1/1000 na tretinoin (sabili da haka rashin jin dadi) idan aka yi amfani da shi a saman.
Yawancin maganin bitamin A da suka samo asali ga kasuwannin fata na tsofaffin tsofaffi sune tsari - ba tare da binciken da aka wallafa a cikin mujallolin kimiyya - kuma saboda haka yana da wuya a sake dubawa.
Layin Ƙasa
Vitamin A samfurori irin su tricinoin tayi da aka nuna su rage ragewa, redness, da rashin launin fata, ko da yake (a hankali) zasu iya haifar da redness da haushi a cikin gajeren lokaci. Idan kana so ka gwada su don sake juyayyun waya, tuntuɓi mai kula da lafiyarka ko ganin likitan dermatologist don takardar sayan magani. Ayyukan kan-da-counter waɗanda ke dauke da kwayoyin bitamin A na iya aiki don fata tsofaffi, ko da yake sakamakonsu bai zama ƙasa ba, kuma sun fi wuya a tabbatar.
Sources:
Yada Canji a Fata. Makarantar Bayanin Jaridun Labaran {asashen Waje na Amirka. http://www.nlm.nih.gov/medlineplus/ency/article/004014.htm
Kockaert M, Neumann M. Systemic, da kuma maganganun magunguna don tsufa fata. J Drugs Dermatol. 2003 Aug; 2 (4): 435-41.
Siddharth Mukherjee, Abhijit Ranar, Vandana Patravale, Hans Christian Korting, Alexander Roeder, da Günther Weindl. Tsayawa cikin maganin tsofaffi na fata: wani bayyani na asibiti da inganci da aminci. Cigaba Ta Yi Aiki. 2006 Disamba; 1 (4): 327-348
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2699641/
Vitamin A. Makarantun Labarai na Makarantar Kiwon Lafiyar Jama'a ta kasa. http://www.nlm.nih.gov/medlineplus/druginfo/natural/964.html