Our Colour Changing UV Detection Stickers alert you to potential sunburn risks by turning from transparent to purple when your sunscreen needs to be reapplied. If UV intensity is high, the purple color will be darker. They are water-proof, safe, and free from any harmful/irritating ingredients. Made with hydrocolloid technology, each sheet has 36 discreet, non-drying, ultra-thin patches.
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Ingredients
Adhesive, SPF sensing technology
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