Ultraviolet, malinga ndi mutu wa labotale ya Federal Medical and Biological Agency Oleg Grigoriev, ndiyowopsa kwambiri kuposa mafoni odziwika bwino. Mukhoza kupeza mlingo wakupha wa ultraviolet ngakhale tsiku lozizira, makamaka m'mapiri, chifukwa chake kuli kofunika kwambiri kugwiritsa ntchito sunscreen chaka chonse.
Koma ndi mitundu iti yomwe mungasankhe? Tiyeni tiganizire.
Kodi sunscreen ndi chiyani?
Warren Vallo, mkulu wa sayansi pa Johnson & Johnson Skincare Research, akuchenjeza kuti khungu nthaŵi zonse limadyetsedwa ndi cheza cha ultraviolet, osati kokha m’chilimwe, komanso m’nyengo yachisanu. Ngakhale mutakhala muofesi kuyambira m'mawa mpaka madzulo ndipo osawonetsa mphuno yanu pamsewu masana, kuwala kwa ultraviolet kumadutsabe pagalasi (ngati kompyuta yanu ili pafupi ndi zenera, musaiwale za kirimu).
Osanenapo nthawi yomwe muli panja, mukupumula paki, kusambira, kusambira - panthawiyi kuwala kumakhudza pamwamba pa khungu - epidermis. Chifukwa chake, zonona za SPF ziyenera kugwiritsidwa ntchito chaka chonse, osati patchuthi chokha.
N'chifukwa chiyani kuwala kwa ultraviolet ndi koopsa?
- Kuchuluka kwa Mlingo, kumayambitsa kukula kwa khansa yapakhungu, makamaka khansa yapakhungu.
- Zimayambitsa zizindikiro za photoaging, "belu" loyamba lomwe ndi mawanga a zaka.
- Zimakhala chifukwa cha hyperkeratosis, ndiko kuti, thickening ndi kwambiri peeling wa stratum corneum wa epidermis.
- Zimayambitsa msanga maonekedwe a makwinya.
- Zimayambitsa kukula kwa photosensitivity ndi zotupa, zomwe zimakhala zofanana ndi chifuwa chachikulu, chifukwa chake anthu nthawi zambiri amalembedwa molakwika mankhwala olakwika.
Momwe mungasankhire zonona
Chaka chatha, akatswiri ochokera ku dipatimenti ya Dermatology ku Northwestern University Medical Center ku Chicago adachita kafukufuku wamankhwala oteteza khungu ku dzuwa. Ndipo adadabwa. Pafupifupi theka la ndalama (41%) sizinakwaniritse zomwe zanenedwa!
Pazonse, ma sunscreens 65 adayesedwa. Ambiri aiwo analibe index yoteteza yomwe idalengezedwa pamapaketi, ena analibe kukana madzi olonjezedwa, ndipo panali omwe anali ndi zida zomwe zidatha.
Zikakhala choncho bwanji kuti musalakwitse pogula komanso osakhala wozunzidwa ndi opanga osakhulupirika? Izi ndi zomwe akatswiri a dermatologists amalimbikitsa:
1. Dzina lovomerezeka lachitetezo pazinthu zotere limawonetsedwa ndi chidule cha SPF (Sun Protection Factor). Komabe, chizindikiro ichi chikutanthauza kuti zonona zimangoteteza ku kuwala kwa UVB, ndiko kuti, mafunde apakati a cheza cha ultraviolet. Ndiyeno pali kuwala kwa UVA kwautali. Amatetezedwa ndi zosefera, zosankhidwa - kutengera dziko - monga PA (Protection Grade of UVA) kapena PPD (Persistent Pigment Darkening). Choncho, pofuna chitetezo chachikulu, ndi bwino kugula kirimu chomwe chili ndi SPF iwiri ndi PA (PPD) pa phukusi.
2. Nambala yomwe ili pafupi ndi chidulechi ikuwonetsa momwe mankhwalawo alili "olimba". Chiwerengero chokwera, chimakhala bwino. Pankhani ya SPF, mtengo wapamwamba ndi 50 (izi zimapereka chitetezo champhamvu kwambiri ndipo zimalimbikitsidwa kuti zigwiritsidwe ntchito pamphepete mwa nyanja kapena m'madera omwe ali ndi ma radiation apamwamba, mwachitsanzo, ku Australia). Pogwiritsa ntchito hedgehog mumzinda, SPF 30 idzachita. Chilichonse chomwe chili pansi pa 20 sichilinso chitetezo, koma kungolankhula mokomera osauka.
Ndi PA, mlingo wa chitetezo umasonyezedwa osati ndi manambala, koma ndi ma pluses: mtengo wapamwamba ndi PA ++++, osachepera ndi PA +.
3. Palinso kuwala kwa UVC, koma ndi kwakufupi kwambiri ndipo sikufika pa Dziko Lapansi, kotero simuyenera kudandaula nazo. Ngati mafuta oteteza dzuwa akuti "amateteza ku UVC", ndiye kuti iyi ndi chinyengo chosavuta komanso "wiring" ya ogula.
4. Ngati n'kotheka, sankhani mankhwala omwe sangagwirizane ndi madzi ndi thukuta (paketiyo iyenera kulembedwa kuti "yopanda madzi").
5. Ngati mumagwiritsa ntchito zoteteza zingapo nthawi imodzi (mwachitsanzo, zonona ndi ufa), chonde dziwani kuti zosefera sizikuwonjezeredwa. Imodzi yokha idzagwira ntchito, yomwe ili yamtengo wapatali kwambiri. Mwachitsanzo, ngati mupaka kirimu ndi index yotetezera ya SPF 30, ndikuyika ufa wa SPF15 pamwamba, ndiye chitetezo sichidzakhala 45, koma 30 yokha.
6. Khulupirirani upangiri wa anzanu pang'ono - ukatswiri wambiri komanso dermatologists. Zatsimikiziridwa kangapo: umboni wa akatswiri ndi anthu wamba amasiyana kwambiri. Kwa anthu wamba, kukongola kwa ma CD ndi kununkhira, monga momwe zimakhalira, ndizofunikira kwambiri kuposa momwe zimagwirira ntchito. Ndipo ziyenera kukhala zosiyana ndendende.
Momwe mungagwiritsire ntchito zonona
Mafuta odzola a SPF amafunika kubwereza maola awiri aliwonse.
Ganizirani kugwirizana kwa mankhwala. Zodzikongoletsera ndizoyenera kwambiri pakhungu louma pathupi ndi nkhope. Ma gels ndi abwino kwa tsitsi, mwachitsanzo, mabere achimuna, komanso eni ake a khungu lamafuta. Mafuta odzola ndi abwino kugwiritsa ntchito kuzungulira maso. Zopopera ndizoyenera kupereka chitetezo kwa mwanayo kuchokera kumutu mpaka kumapazi.
Ikani sunscreen pambuyo moisturizer kapena zonona zonona, koma maziko maziko. Komanso, mutatha kugwiritsa ntchito SPF, ndiyenera kudikirira mphindi zingapo kuti muyamwitse bwino musanagwiritse ntchito zodzoladzola.
Musaiwale za ziwalo zotere za thupi monga khosi, manja, décolleté, milomo, makutu - zimakhala zovuta kwambiri ku radiation ya ultraviolet.
Nthawi zonse mukachoka m'nyanja, onjezerani zonona, ngakhale mutapaka maminiti pang'ono musanayambe kusambira.
Gwiritsani ntchito mchere ufa, zinthu zake zosakhala ndi mtundu wa zosefera UV. Titaniyamu ndi zinc dioxide, zomwe nthawi zonse zimakhala m'madzi amchere, zimakhala ndi zotsatira zabwino kwambiri zochotsa zithunzi. Nthawi zambiri zodzoladzola zoterezi zimakhala ndi chitetezo cha SPF 50.
Pakadutsa mphindi 20 musanatuluke panja.