FAQs
Are these real Crest Whitestrips? +
Yes, we only sell 100% authentic Crest Whitestrips sourced from trusted suppliers.
How long until I see results? +
You’ll notice a visibly whiter smile after just one use. Full results typically show in 14 days.
Are Crest Whitestrips safe for sensitive teeth? +
Yes. Our products are enamel-safe and ideal for those with sensitivity. Try the Gentle Routine range.
Can I use these with braces, veneers, or crowns? +
No. They work on natural teeth only, and won’t whiten veneers or crowns—but won’t harm them either.
Is shipping really free in the UK? +
Yes, all UK orders come with free tracked delivery.
When will my order arrive? +
Orders are dispatched within 24 hours and typically arrive in 1–3 working days.
Can I use Crest Whitestrips while pregnant or breastfeeding? +
It’s best to consult your doctor first. Crest advises waiting until after pregnancy or breastfeeding.
How long do the results last? +
Results can last up to 12 months with good oral hygiene and minimal stain exposure.
Do you accept returns or refunds? +
Yes. We offer a money-back guarantee on all unopened boxes. See our return policy for full details.