Commonly Asked Questions
Just add any 3 products to your cart. The lowest-priced item becomes free automatically - no discount codes needed.
The offer works across our full range, so you can mix & match however you like, using our easy to use deal builder above.
No code required. As soon as you add 3 products to your cart, the Buy 2 Get 1 Free deal is automatically applied.
You’ll see a “Buy 2 Get 1 Free” marker appear under the lowest-priced item, and it will show as free in your cart.
Absolutely. Just use the quantity selector next to the product in the deal builder above to add 3 of the same item.
The Buy 2 Get 1 Free offer will still apply and the third item will be marked as free in your cart.
Yes, orders over £40 / $50 / €50 qualify for Free Next-Day Delivery. Place your order before 10pm for next-day arrival.
For the ultimate smile makeover, we recommend this power trio:
• Teeth Whitening Powder – Gently polishes away surface stains for a visibly brighter smile.
• Teeth Whitening Strips – Lifts deep-set yellowing in just 7 days, peroxide-free and sensitivity-free.
• Flavoured Toothpaste – Refreshes your breath, protects enamel, and makes brushing a treat with irresistible flavours.
Together, they’re everything you need to whiten, protect, and maintain your smile - and with Buy 2 Get 1 Free, it’s the perfect time to try them all.
You’ll receive an email with your tracking link as soon as your order is dispatched from your local fulfilment centre. You can also visit the Order Tracking page on our site anytime for live updates.
Who We Are & What We Do
Trusted by over 1 million customers worldwide, MySweetSmile is the #1 Teeth Whitening Brand, awarded Best-Buy by The Independent two years in a row and rated Excellent on Trustpilot.
Backed by the Dermatest® 5-Star Seal of Approval and dentist-approved formulas, our peroxide-free, enamel-safe solutions deliver real results without sensitivity.
Whether you want to whiten your teeth, remove stains, strengthen enamel, support gum health, or just need a daily cleaning solution, our expert-developed products provide the ultimate smile care routine.
Discover our award-winning range today and reveal a brighter, healthier-looking smile.
IndyBest Award-Winners 2x In A Row
Voted Best Buy by The Independent in 2023 & 2024, MySweetSmile is proud to be recognised as the UK’s #1 Teeth Whitening Brand.
Over 1 Million Smiling Customers
Join over 1 million smiling customers worldwide who trust MySweetSmile for a brighter, more confident smile—rated Excellent on Trustpilot.

Clinically Proven & Dentist Approved
Backed by clinical studies, awarded the Dermatest 5-Star Seal of Approval, and approved by dentists, our formulas deliver safe, effective results you can rely on.