1) Sirrin Fata
Canje-canjen launin fata suna da tasiri da abubuwa uku masu zuwa.
1. Abubuwan da ke cikin fata da kuma rarraba nau'o'in launi daban-daban a cikin fata suna shafar eumelanin: wannan shine babban launi wanda ke ƙayyade zurfin launin fata, kuma maida hankalinsa kai tsaye yana rinjayar hasken fata. Daga cikin baƙar fata, melanin granules suna da girma kuma suna da yawa; Daga cikin mutanen Asiya da Caucasians, yana da ƙarami kuma ya tarwatse. Pheomelanin: yana ba fata launin rawaya zuwa launin ja. Abubuwan da ke ciki da rarrabawa suna ƙayyade sautin dumi da sanyi na launin fata, alal misali, mutanen Asiya yawanci suna da babban abun ciki na melanin launin ruwan kasa. Carotenoids da flavonoids: Waɗannan wasu abubuwa ne na waje waɗanda aka samu daga abinci, kamar su karas, kabewa, da sauran abinci masu albarkar beta carotene, wanda zai iya ƙara launin rawaya zuwa launin lemu a fata.
2. Abin da ke cikin haemoglobin a cikin jinin fata ana kiransa Oxyhemoglobin: Oxyhemoglobin, wanda yake launin ja ne mai haske kuma yana da yawa a cikin fata, yana iya sa fata ta zama mai haske da lafiya. Deoxyhemoglobin: Haemoglobin da ba shi da iskar oxygen yana bayyana ja ja ko shuɗi, kuma idan adadin sa a cikin jini ya yi yawa, fata na iya bayyana kodadde.
3. Baya ga wasu dalilai, launin fata kuma yana tasiri ta hanyar yaduwar jini, damuwa na oxidative, matakan hormone, da kuma yanayin muhalli kamar bayyanar UV. Misali, hasken ultraviolet yana motsa melanocytes don samar da ƙarin melanin don kare fata daga lalacewa.
2) Sirrin launi
Tabo, a likitance da aka fi sani da raunukan pigmentation, al'amari ne na duhun launin fata. Suna iya samun siffofi daban-daban, girma, da launuka, kuma suna da asali iri-iri.
Za a iya raba tabo da yawa zuwa nau'ikan masu zuwa:
Freckles: yawanci ƙanana, ma'ana mai kyau, ɗigon launin ruwan kasa mai sauƙi waɗanda ke bayyana a fuska da sauran wuraren fata akai-akai ga hasken rana.
Wuraren Rana ko Tsakanin Zamani: Waɗannan wuraren suna da girma, masu launi daga launin ruwan kasa zuwa baki, kuma ana samun su a fuska, hannaye, da sauran wurare na matsakaita da tsofaffi waɗanda suka daɗe suna fuskantar hasken rana.
Melasma, wanda kuma aka sani da "tabobin ciki," yawanci yana nunawa azaman facin launin ruwan kasa mai kama da launin ruwan kasa a fuskar da ke da alaƙa da canje-canje a matakan hormone.
Post inflammatory hyperpigmentation (PIH): Wannan wani pigmentation ne da aka kafa saboda ƙara yawan adadin pigment bayan kumburi, wanda aka fi gani bayan kuraje ko lalacewar fata ya warke.
Abubuwan Halittu suna ba da gudummawa ga samuwar launi: Wasu nau'ikan launi, irin su freckles, suna da bayyananniyar tsinkayar jinsin iyali. Hasken ultraviolet: Hasken ultraviolet shine babban abin da ke haifar da launi daban-daban, musamman wuraren rana da kuma melasma. Matakan Hormone: Ciki, magungunan hana haihuwa, ko cututtukan endocrine duk na iya haifar da canje-canje a cikin matakan hormone, wanda ke haifar da haɓakar melasma. Kumburi: Duk wani abu da ke haifar da kumburin fata, irin su kuraje, rauni, ko rashin lafiyar jiki, na iya haifar da pigmentation mai kumburi. Illolin ƙwayoyi: Wasu magunguna, irin su wasu magungunan zazzabin cizon sauro da magungunan chemotherapy, na iya haifar da zubewar launi. Launin fata: Mutanen da ke da launin fatar fata sun fi saurin yin launin fata.
Lokacin aikawa: Dec-12-2024
