I-pigmentation yesikhumba yimbangela evamile yokuthi kungani abesifazane basebenzisa izenzo ezisekelayo. Le nkinga ivela esenzweni sama-melanocytes. Lokhu, okuthiwa amangqamuzana e-pigment, akwazi ukuhamba ngemibala emnyama, uma kuqhathaniswa nesikhumba. Lokhu kwenzeka ngezindlela ezehlukene, kodwa ikakhulukazi - ngezinhlayiya zezingulube zombala wesikhumba evamile.
I-pigment yombala incike ekuzaleni izakhi zofuzo. Nguye osikisela inhlanganisela ehlukene yemibala yesikhumba. Lokhu kufaka:
- i-melanin;
- i-carotene;
- i-oxyhemoglobin;
- deoxy-hemoglobin.
Umbala wesikhumba kubantu uqhathaniswa nedatha ehlukile yedatha ye-pigment.
I-pigmentation yesikhumba ebusweni - izimbangela
- Ubungcwele bubukeka bezinhlaka, izindawo ezihlukene, ezithathwa inani eliphakeme le-melanin. Uma ukuguqulwa kwesibonakaliso kubonakala ngendlela yombala omhlophe, lokhu kuyisibonakaliso semali encane ye-melanin egazini noma nhlobo ngokungabi khona kwayo. Isibonelo salokhu kungaba ukuzalwa komntwana omnyama kwabazali abaqhakazile.
- Amathonya wangaphandle we- ultraviolet, iqhwa eliqinile, ukushisa. Isibonelo, ukukhanya kwe-ultraviolet kuthinta ngokuphawulekayo ukuchithwa kwesikhumba kwesikhumba, okuyinto ezimweni eziningi ezibonakalayo njengezakhi, izindawo ezintsha ezimnyama. Lokhu kungenxa yokuthi ngesikhathi senzo ye-ultraviolet, umsebenzi we-melanin usebenza futhi kulandela ukuzihlukanisa ngokweqile. Emva kwalokho, isikhumba sibe mnyama, uma kuqhathaniswa nomzimba wonke. Imiphumela enjalo ingase iholele ekukhanyeni okukhulu kwesikhumba.
Izimbangela ze-pigmentation ezinzima ebusweni
Lokhu kufaka:
- Ukunakekela isikhumba okungalungile. Lokhu kungukuthi, izimonyo ezinobungozi obuhle kanye nokungabi nanele ngokwanele kobuso, kanye nokuhlukunyezwa kwemikhuba emibi. Isikhumba sobuso sidinga ukondliwa ngama-creams, ama-masks e-fruity kanye nobisi, okuholela ekuqiniseni amangqamuzana esikhumba kanye nokuthuthukiswa okuvamile kwezingulube ezidingekayo.
- I-avitaminosis engapheli. Ukungabi namavithamini emzimbeni kubangela ukwephulwa okukhulu. Ngokuyinhloko, lokhu kungabikho kwevithamini C , A, PP, folic acid nezinye izakhi eziningi ezingathuthukisa i-melanogenisis. Ngendlela yokukhanya kwangaphandle kwesikhumba, kubalulekile ukusebenzisa amalungiselelo angaphakathi angusizo. Ngenxa yalokhu, izakhi ze-magnesium, zinc, zensimbi kanye ne-trace zethusi zingafakwa. Indlela ehlanganisiwe enjalo ebangela ukuguqulwa komzimba izosiza ekwenzeni okujwayelekile ukuguqulwa kwe-pigment.
- Ukukhulelwa. Lesi simo sisebenza nasezimbangela zokuguqulwa kwesibhakabhaka ebusweni. Phakathi nalesi simo se-female esithakazelisayo, ukwehluleka okuphelele kwe-hormone kwenzeka, okungaholela ekubukeni ebusweni bamabala amnyama. Amabala anjalo abizwa ngokuthi i-chloasma. Ezimweni eziningi, ukugqwala okunjalo kubonakala ebunzini, izihlathi, eduze nezindebe. Ngakho-ke, singasho ngokuqiniseka ukuthi imbangela enkulu yokuguqulwa kwesikhumba ebunzini ikhulelwe.
- Izinguquko yobudala emzimbeni. Njengoba uneminyaka ekhulayo, isikhumba sitholakala kakhulu ekukhanyeni kwe-ultraviolet. Ngakho-ke, ngemva kweminyaka engama-40, ikakhulukazi ngesikhathi sokuya esikhathini, abesifazane kufanele babe ngaphansi elangeni.
- Ukusabela kwesithombeni kumalungiselelo ahlukahlukene e-cosmetic ku-salons. Lokhu kwenzeka kaningi emva kokucubungula, okungeke kuhambisane nesikhumba sakho sesikhumba, futhi ngemuva kokunye ukuphototherapy.
Izinqubo ezinjalo zisebenza kahle njengoba ukunakekelwa kwesikhumba, kodwa, kungakhathaliseki ukuthi, ukulimaza ukugaya umzimba. - Ukutholakala kwezifo ezingapheli zesibindi, ama-pancreas nokuphazanyiswa kwepheshana lokugaya.
Izimbangela zokuguquka kwegazi ngaphansi kwamehlo, ebunzini, kuma-cheekbones nazo zonke ezinye izingxenye zobuso, kanye nasemzimbeni wonke - isimo sethu jikelele somzimba. Ngakho-ke, ngemuva kokubonakaliswa kokuqala kokuphulwa komsebenzi wesikhumba, kubalulekile ukuthatha izinyathelo zokwelapha noma ukuphepha, ukuze lokhu kungabe kwenzeka futhi. Ngakho-ke, unganiki izizathu zokusabalala nokuningi.