Table 1:

Sunscreen ingredients approved by Health Canada¹⁰

Medical ingredient	Other names	UV protection	Medical ingredient, %
Titanium dioxide	None	UVA 2	≤ 25
Zinc oxide	None	UVA 1	≤ 25
Para-aminobenzoic acid	None	UVB	≤ 15
Avobenzone	Butyl methoxydibenzoylmethane	UVA 1	≤ 3
	Parsol 1789	UVB
Ensulizole	2-Phenylbenzimidazole-5-sulfonic acid	UVB	≤ 4
Homosalate	Homomenthylsalicylate	UVB	≤ 15
Meradimate	Menthyl 2-aminobenzoate	UVA 2	≤ 5
	Menthyl anthranilate
Octinoxate	2-Ethylhexyl methoxycinnamate	UVB	≤ 7.5
	Octyl methoxycinnamate
Octisalate	2-Ethylhexyl salicylate	UVB	≤ 5
	Octyl salicylate
Octocrylene	2-Ethylhexyl 2-cyano-3,3-diphenylacrylate	UVA 2	≤ 10
Oxybenzone	Benzophenone-3	UVA 2	≤ 6
	2-Hydroxy-4-methoxybenzophenone	UVB
Sulisobenzone	Benzophenone-4	UVA 2	≤ 10
Drometrizole trisiloxane	Mexoryl XL	UVA	≤ 15
Enzacamene	4-Methylbenzylidene camphor	UVB	≤ 6
Padimate-O	Octyl dimethyl PABA	UVB	≤ 8
	σ-PABA
Terephthalylidene dicamphor sulfonic acid	Mexoryl SX	UVA	≤ 10
	3,3¢-(1,4-Phenylenedimethylidene)	UVB
	bis(7,7-Dimethyl-2-oxobicyclo[2.2.1]
	hept-1-yl methanesulfonic acid)
	Ecamsule
Cinoxate	2-Ethoxyethyl 3-(4-methoxyphenyl) propenoate	UVA	≤ 3
Diethanolamine-methoxycinnamate	None	UVB	≤ 10
Dioxybenzone	Benzophenone-8	UVA	≤ 3
	(2-Hydroxy-4-methoxyphenyl)(2-hydroxyphenyl) methanone	UVB
Triethanolamine salicylate	Trolamine salicylate	UVB	≤ 12

Note: PABA = para-aminobenzoic acid, UVA = ultraviolet A, UVB = ultraviolet B.