Over 3,000 happy smiles
Real customers, real results — every review is verified.
Genuinely shocked at how fast this worked. I could see a difference after just 3 days. My teeth were noticeably whiter by the end of the first week. I've tried cheaper strips before and they don't come close.
Dead easy to use and they actually stay on. Previous strips I'd tried kept sliding off but these grip perfectly. No sensitivity either which I was worried about. Will 100% be reordering.
Way better than anything I've tried from the pharmacy. Delivered quickly, packaging was proper Crest so I knew it was the real thing. My teeth are probably 10 shades whiter. Absolutely love them.
The only place to get real Crest in the UK
Not all whitening strips are equal — and neither are all sellers.
100% Authentic Crest Product
Every box we ship is genuine Crest — never a knock-off, never repackaged. Sealed in original Crest packaging exactly as it left the factory.
Clinically Proven Results
The same professional-grade hydrogen peroxide formula used in dental clinics. Up to 14 shades whiter in just 20 days — backed by clinical data.
Enamel-Safe Formula
Designed to whiten without damaging your enamel. The same trusted formula recommended by dental professionals — safe for everyday use.
Free Tracked UK Delivery
Every single order ships free with full tracking. Dispatched within 24 hours, in your hands within 1–3 working days. No minimum spend.
What to expect, day by day
Most customers see results faster than they expect.
Surface stains begin to lift. Teeth look cleaner and fresher immediately after your first strip.
Visible difference. Friends and family may start to notice. The whitening is clearly taking effect.
Halfway through and already a dramatic change. Deep stains from coffee and tea are fading fast.
Full professional-level results. Up to 14 shades whiter — the same outcome as an in-clinic treatment.
Shop with complete confidence
Every order from Direct Smiles comes with our full satisfaction promise. Authentic product, fast delivery, and a no-hassle refund if you're ever not happy.
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.