He kaha te hihi ultraviolet ki ngā rohe e tata ana ki te ekueta, ki ngā teitei rānei. Ka pāngia pea te kiri e ngā hihi ultraviolet mō te wā roa, ā, ka pāngia hoki e ngā raruraru pēnei i te werawera me te koroheketanga o te kiri, nō reira he mea nui te tiaki i te kiri mai i te rā. Ko te nuinga o te wā ka tutukihia te parenga rā mā te hipoki ā-tinana, mā te mimiti matū rānei.
Anei ētahi o ngā kai whai hua e whakamahia whānuitia ana i roto i te hinu ārai rā.
| Kai Whakamarumaru Rā | Awhe mimiti | Rārangi Haumaru① |
| BP-3 (131-57-7) | UVB, UVA ngaru poto | 8 |
| UV-S (187393-00-6) | UVB, UVA | 1 |
| Etokirirene (5232-99-5) | UVB, UVA ngaru poto | 1 |
| Octocrylene (6197-30-4) | UVB, UVA ngaru poto | 2-3 |
| 2-ETHYLHEXYL4-METHOXYCINNAMATE(5466-77-3) | UVB | 5 |
| Āporobenzone (70356-09-1) | UVA | 1-2 |
| Diethylaminohydroxybenzoyl hexyl benzoate (302776-68-7) | UVA | 2 |
| Ethylhexyl Triazone (88122-99-0) | UVB, UVA | 1 |
| Bisoctrizole (103597-45-1) | UVB, UVA | 1 |
| TRIS-BIPHENYL TRIAZINE (31274-51-8) | UVB, UVA | Kāore he Raraunga |
| Waikawa Phenylbenzimidazole Sulfonic (27503-81-7) | UVB | 2-3 |
| Homosalate (118-56-9) | UVB | 2-4 |
| ZnO (1314-13-2) | UVB, UVA | 2-6 |
| TiO2(13463-67-7) | UVB, UVA | 6 |
| Benzotriazolyl Dodecyl p-Cresol (125304-04-3) | UVB, UVA | 1 |
① Ko te iti o te tau he tohu he haumaru ake tēnei kai.
Ko te tikanga o te ārai rā matū ko te mimiti me te hurihanga. Ka taea e ngā matū waro i roto i ngā ārai rā matū te mimiti i te kaha o te hihi ultraviolet ka huri hei kaha wera, hei momo mārama kino rānei. Me whai tauhohenga matū ki te kiri mō tēnei tikanga mahi, nō reira ka puta pea he riri, he mate pāwera rānei ki te kiri i ētahi wāhanga ārai rā matū. Heoi, he pai ake te pumau me te uruhanga o ngā ārai rā matū, ka hanga he kiriata tiaki ōrite me te matotoru ki te mata o te kiri, ka pai ake te tiaki i te rā.
He maha ngā momo ārai UV e tukuna ana e tā mātou kamupene mō ngā hua tiaki kiri/whakapaipai kiri, e tutuki ana i te nuinga o ngā paerewa whakapaipai me ngā paerewa rongoā. Ka whiwhi whakautu koe i roto i ngā haora 48 i muri i te patai.
Wā tuku: Pipiri-19-2025