thy thuc khuyn bn ng sm mu kem chng nng ny, ph tin m da vn lo ha nh khng

y chnh l lu quan yu lc sm kem chng nng m ko ph bin nng ch
Kem chng nng l sn phm chng th thiu trong chu trnh coi ng da gip chng ta chng li cc tc hi tiu cc trong khong nh nng mt tri. c th trong ma H ny khi nh nng cng gay gt, nhit tng cao th bn cng cn ch trng bi kem chng nng hng ngy.
c th, cc bc s khuyn bn nn chn nhng ci kem chng nng "ph rng". tri li, s hu nhng dng kem ko vi kh nng chng nng ph rng, th bn nn cn cp trc khi rt tin tm v.
cc mu kem chng nng ph rng s mang bao b ghi broad spectrum. "iu ny mang tc th kem chng nng ca bn sn xut kh nng kim sot an ninh c tia UVB v UVA" bc s David Kim san st mang trang Allure.
D bn tiu dng kem chng nng c ch s SPF cao cht ngt nhng khng s hu kh nng chng nng ph rng th n vn cha bo v da. thy thuc da liu lng danh Joshua Zeichner cn nhc thm: "Th rng bn chn sn phm s hu SPF 15 nhng chng nng ph rng cn hn chn sn phm s hu SPF cao nhng khng bo k bn khi tia UVA".
nh sng UVB vi bc sng t 290nm ti 320nm. UVB c th gy ra cc i thay nhn ra khc trn b mt da nh chy nng, en sm.
Cn nh sng UVA s hu bc sng trong khong 320 nm n 400nm, phm vi ln hn so vi UVB. UVA, cn c gi l tia sng c bc sng di, chim khong 95% lng tia UV chiu vo da. UVA s y nhanh cng on lo ha, hnh thnh np nhn v thm nm, khin tng nguy c gy ung th da.
Xem thm
C UVA v UVB u gy ra cc tc ng th ng ln ln da. do vy, bn cn chn nhng ci kem chng nng ph rng bo k ln da khi tc hi t hai loi nh sng ny.
Bc s khuyn bn ng mua loi kem chng nng ny, ph tin m da vn lo ha nh thng - nh 3.
c cc chic kem chng nng ko c kh nng chng nng ph rng (broad spectrum) th bn ch di u c tin bc khin g
https://band.us/band/87409822
lc chn kem chng nng, bn cng nn lu chn kem c ch s ti thiu l SPF 30. Ch s SPF biu hin kh nng bo v ln da khi tia UVB ca kem chng nng. Ch s SPF cao th vi tc l kh nng bo v da tng ln, nhng lc bn chn ch s chng nng cao hn (khong t SPF 30 tr ln) th s ko s hu a dng s khc bit.
Trong trng hp bn thng xuyn chuyn di, ra nhiu m hi, tham gia nhng hot ng di nc th bn nn chn nhng ci kem c kh nng khng thm nc. dng kem y s vi ch gii v tc dng chu nc (water resistant), v xc nh c th s gip bo v da t thi k 40 pht hay 80 pht trong khi tip xc s hu nc.
lc xoa kem chng nng, bn nn xoa t nht 15 pht trc khi ra ngoi. y chnh l thi k kem n nh, to lp mng chng nng bm chc trn da. trong khong thi k ny, nhng hot cht nh cn, du hay nc bay tng i bt, li lp mng chng nng bo k da. nu bn ra ngoi hoc di chuyn mnh, bi li ngay sau lc xoa kem chng nng th cng ng ngha s hu vic lp kem cha n nh s d b tri, ko cn kh nng bo v da.
Bn cng ng qun ty trang vo mi ti lm cho sch cn kem chng nng cn bm di da. nu ko ty trang, cc thnh phn chng nng c kh nng tch tr su trong l chn lng s khin da ln mn. c trng, cc dng kem chng nng c kh nng chng tri, chng nc th cng "cng u", gi d khng tiu dng ty trang chuyn dng th kh m mang th khin cho sch hon ton.
nu bn l 1 tn lm cho p, v hn ht, l mt ngi quan tm ti sc khe khi qut v sc khe ln da nhc ring. Kemchongnang.org hn s l 1 lin h tin cy dnh cho bn trong thi gian sp ti. Hy sm n chng ti qua thng bo di y.
Thng tin lin h
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