Save 30% + Buy 2 Get 2 Free! 📚
Get smile-ready for the new season with our best offers this summer:
🛍️ Save 30% OFF storewide – no codes needed
🎁 Buy 2 Get 2 FREE - mix & match across the entire range
🎩 FREE Mystery Toothpaste on orders over £40
🚚 FREE Next-Day Delivery on orders over £40
Hurry! This sale event ends Sunday, 7th September at 11:59 PM BST.
Shop our Buy 2 Get 1 Free deal (e.g. 2x Powders + 1x Strips) and we’ll also add a FREE Mystery Flavoured Toothpaste to your order.
Will it be Fresh Mint, Succulent Strawberry, or Tropical Mango? You’ll find out tomorrow with FREE Next-Day Delivery included!


Build Your Deal: Buy 2 Get 2 FREE ⬇️
Pick any 3 products with our easy-to-use Deal Builder below - and get 1 FREE.
Spend £40 or more and we’ll automatically add a FREE Mystery Flavoured Toothpaste to your cart.
That’s 4 products for the price of 2 – our best-value deal ever!
Commonly Asked Questions
No, all Back-to-School Sale savings are automatically applied. You’ll see reduced prices already marked on the website - no code required to save 30% storewide.
Just add any 3 products to your cart. The lowest-priced item becomes free automatically.
When your order total reaches £40 or more, we’ll also add a FREE Mystery Flavoured Toothpaste - giving you 4 products for the price of 2.
The offer works across our full range, so you can mix & match however you like using our easy-to-use Deal Builder above.
Spend £40 or more and a Mystery Flavoured Toothpaste will be automatically added to your cart. No need to add it yourself.
It’s a surprise! Once your order hits £40, we’ll automatically add a Mystery Flavoured Toothpaste to your cart, completely free of charge.
Will it be Fresh Mint, Strawberry, or Mango? You’ll find out as soon as tomorrow with Free Next-Day Delivery included.
Yes! Once you reach the £40 threshold, the Free Mystery Flavoured Toothpaste will automatically be visible in your cart before checkout.
For the ultimate smile upgrade, we recommend this trio:
- Teeth Whitening Powder – Gently lifts everyday stains for a cleaner, brighter smile.
- PAP Teeth Whitening Strips – Erases deep-set yellowing in just 7 days, peroxide-free and sensitivity-free.
- Precision Whitening Pen – Targets hard-to-reach spots and is perfect for on-the-go whitening.
Together, they deliver immediate whitening, long-term stain removal, and portable touch-ups. And with Buy 2 Get 2 Free, now’s the perfect time to try them all - with a FREE Mystery Flavoured Toothpaste included on orders over £40.
This exclusive sale runs from 8am on 30th August until 11:59pm BST on 7th September.
Please note: stock is limited, especially the FREE Mystery Toothpaste gift. To avoid missing out, we recommend placing your order early, as the sale (or the free gift) may end sooner than planned once supplies run low.
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.