Ihuza rya cosmetologiste bahora bashimangira ko uruhu rukeneye kurinda imirasire y'izuba. Byongeye kandi, birakenewe kurinda nuburyo bufatika bufite muyungurura kandi bitwikiriye imirasire yuburyo butandukanye. Ntukirengagize umukozi usize no mu mpeshyi - Noneho izuba rirakora bihagije kugirango ubashe gutwika. Tuvuga ibya cosmetics filteri idasanzwe igomba kongerwaho.
Imirasire ni iyihe?
Mbere yo kuvuga kwisiga, ugomba kumva uburyo imirasire yoroheje igomba kurindwa. Byose bibaho ubwoko butatu bwimirasire:
- UVA ni imirasire numuhengeri muremure, ugize 95% yimirasire yizuba. Akaga nyamukuru kuruhu ni gusaza imburagihe. Bakinjira mu bice byimbitse byuruhu no gusenya selile ziva imbere, zitera tan. Ni bibi cyane kuruhu rwumye, zidafite ubushuhe. Ibisigaye byuruhu hamwe nubushobozi buva muri ubu bwoko bwimirasire ntabwo buteye ubwoba.
- UVB ni imirasire ifite uburebure bwumurongo, bugizwe hafi 5% yimirase. Nibintu byo kugaragara kwa Burns, pigmentation no kurakara kuruhu. Ibikorwa byabo byimpimbano bigwa mugihe cya sasita - nta baganga b'ubusa bafite inama yo kutagira izuba kuva amasaha 10 kugeza kuri 16. Ubu bwoko bwimirasire ni akaga kubana, abantu bakuru bafite uruhu rwinshi, abantu bakunda pigmentation, hamwe nabakunzi ba aside bacide no gusya.
- UVC ni imirasire numuhengeri mugufi utera ijana ku ijana. Ntabwo bashishikajwe no ku kirere, rero ntabwo ari akaga ku muntu.
Ukeneye kurinda uruhu kubashaka
Ifoto: PilixAByay.com.
Ibikoresho birinda ultraviolet
Uv UV ya Syungurura igabanijwemo umubiri numutima. Umubiri urimo:
- Zinc oxide (zinc oxide) - irinda ubwoko bwimirase Ariko guhitamo uruhu kandi birashobora gutuma wumva ukumva. Nibyiza kubana hamwe nabakuze bakuze.
- Titanium dioxyde (titanium dioxyde) - irinda imirasire ya UVB, ariko uva ikora nabi. Kandi itora kandi irashobora gutsinda amanota. Bikwiranye nabantu badakunze gutwika izuba.
Akayunguruzo c'imiti:
- Avobenzone - Gukurura UVA, ariko ntabwo aririnda imirasire ya UVB. Ikwiranye n'abantu bavunamye neza kandi bahita babona igicucu cyijimye cyuruhu.
- Tinosorb - irinda ubwoko bwimirase . Bikwiranye nabantu bose, harimo abana nabakuze bakuze.
- Octocrylene - absorbs UVB, ariko ntirinda UVA.
- Oxybenzon, cyangwa benzopherinone (oxybenzone) - irinda gusa imirasire ya UVA gusa.
- Octinoxate (octinoxate) - irinda gusa imirasire ya UVB.
- Ethylherexyl Triazane arakora kuri UVB gusa.
Witondere abakozi
Ifoto: PilixAByay.com.
Niki ugomba kwitondera guhitamo uburyo
- Ikirango. Igomba kwerekana urwego rwo kurinda: 2-4 - Kurinda imirasire ya 50-75%, 4-10% Imirasire ya 80%, 10-20 - Kurinda kuva 95%, 20-30 - Kurinda 97%, 30-50 - Kurinda guhera 99% by'imirasire. Ibicuruzwa byo muri UVA bigaragazwa nigishushanyo kidasanzwe muruziga kuruhande rwipaki. Wibuke ko ukoroheje urwego, uburinzi buke - hafi mm 2 ya cream izaba nziza yo guhagarika urumuri.
- Gufotora. Uruhu rwawe, umusatsi n'amaso, niko urushaho guhura nimirase. Abantu bafite uruhu rw'umwuzure bagomba gukoresha kurengera izuba, bakavuguruza byibuze rimwe mu masaha 2 - muri iki gihe, kwiyuhagira, koga uruhu, ku buryo bugenda buvaho buhoro buhoro.
- Igiciro. Igikoresho cyiza ntigishobora kugura bihendutse. Buri gihe witondere ibihimbano mbere yo kugura cream cyangwa spray. Amasezerano yumuganda kubyerekeye amazi kandi yo kwihangana ntacyo atwaye mugihe uryamye mu gicucu aho kwiyuhagira kuko uherutse gutwikwa.