@purascans: ⚠️Scanned with the Pura App ⚠️ Crest 3D Whitestrips Professional Effects hit your teeth with about 100 times the hydrogen peroxide Europe lets you buy over the counter — and here they’re sold to anyone, no dentist required. These aren’t the weak version. They’re dentist-strength, used with no dentist in the room. Every 30-minute session soaks your teeth in around 10% hydrogen peroxide. In the EU, the limit for whitening you can grab off a shelf is 0.1% — roughly one one-hundredth of that. Anything stronger is dentist-only, which is exactly why Europeans import the US strips. At that strength, peroxide sitting on your gums and the inside of your cheeks can leave white patches, burning, and irritation. And tooth sensitivity is extremely common — studies put it around half of users. It usually fades, but overusing them wears down enamel, and enamel doesn’t grow back. What’s gone is gone. The smile in the ad is real. What they don’t show is that this exact strength is treated as a dental procedure everywhere else. Virtually every effective US whitening strip blows past the EU’s over-the-counter limit. Lumineux skips peroxide entirely — which is why it clears the line the others can’t. The label says whiter in 30 minutes. The rest of the world says: not without a dentist. Comment “pura” to scan any product.

Purascans

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Wednesday 01 July 2026 19:50:07 GMT