Maxiblock

Outbacker Insect Repellent Sunscreen Lotion

SPF
50+
Format
lotion
Sizes
100 mL / 1 L
AUST L
310426

UV filters

FilterAmountTypeConcern
4-MBC 4%
The page spells it 4-Methylbenzildene Camphor.
Chemical High
Bemotrizinol 1%
The page spells it Bemotrizinole.
Chemical Least
Avobenzone 5% Chemical Low
Octocrylene 2% Chemical Low

As printed: Active constituents (sunscreen) 4-Methylbenzildene Camphor 40mg/g, Bemotrizinole 10mg/g, Butyl Methoxydibenzoylmethane (Avobenzone) 50mg/g, Octocrylene 20mg/g.

Also contains insect repellents (DEET, pyrethrins, N-octylbicycloheptene dicarboximide and piperonyl butoxide), which aren't UV filters.

Checked against the official Australian product page. Last checked 30 September 2026.

Official product page · Maxiblock range

The concern level ranks UV filters against each other. It says nothing about SPF performance, fragrance, preservatives, irritation or the environment, and a higher concern level is not proof of harm. The TGA still advises using sunscreen. How concern is set

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