Sources disagree. The labels, pages or listings we checked for this product don't agree on its filters. Check the pack you have against its AUST L number.
Hawaiian Tropic

Silk Hydration Sunscreen Spray

SPF
50+
Format
spray
Sizes
175 g
AUST L
366377

UV filters

FilterAmountTypeConcern
Homosalate 7.96% Chemical Moderate
Octisalate 3.98% Chemical Low
Octocrylene 3.58%
The can curve clips this figure on the official back-of-pack photo; 3.58% w/w as printed on the Chemist Warehouse listing, and ARTG 35.8 mg/g.
Chemical Low
Avobenzone 2.98% Chemical Low
4-MBC 1.99% Chemical High

As printed: Active Ingredients: Homosalate 7.96% w/w, Octyl Salicylate 3.98% w/w, Octocrylene 3.58% w/w, Butyl Methoxydibenzoylmethane 2.98% w/w, 4-Methylbenzylidene Camphor 1.99% w/w

The pack and the ARTG listing show 4-MBC, avobenzone 2.98% and homosalate 7.96%, but the text on Hawaiian Tropic's own product page lists an older formula (homosalate 6.30%, octocrylene 4.90%, octyl salicylate 3.15%, avobenzone 1.89%), so check the pack you buy.

The sources we checked disagree. Last checked 30 September 2026.

Official product page · Hawaiian Tropic 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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