🎁 Boxing Day Sale - Save 40% Storewide
🍓 New Strawberry Whitening Powder - Tough on stains. Sweet on your tastebuds.
🛍️ Buy 2 Get 1 FREE + Buy 1 Get 1 50% OFF – mix & match across the full range
🎁 FREE Teeth Whitening Strips (Worth £29.99!) on orders over £30 – stacks with all promos
🚚 FREE Next-Day Delivery on orders over £30
⏳ Hurry – sale ends Sunday, 4th January at 11:59pm GMT
Spend £30+, and we'll automatically add a free box of PAP Teeth Whitening Strips (RRP £29.99) to your cart.
The perfect post-Christmas reset to whiten your smile after a festive season of coffee, wine, and sweet treats - start the New Year with a brighter, more confident smile.
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 £30+ and we’ll auto-add your FREE Teeth Whitening Strips (worth £29.99) to your cart
That’s 4 products for the price of 2 – our best-value deal ever. Plus, FREE Next-Day Delivery!
New Deal: Buy 1 Get 1 50% OFF ⬇️
Select any 2 products with our easy-to-use Deal Builder below - and get 1 half-price.
The perfect way to try our NEW Strawberry Whitening Powder at 50% OFF while restocking your favourites at the same time.
Boxing Day Sale FAQs
No codes needed. All Boxing Day Sale savings are automatically applied. You’ll see reduced prices already marked on the website with 40% OFF storewide.
The easiest way is to use our Buy 2 Get 2 Free Deal Builder above.
Simply select any 3 products (including our NEW Strawberry Powder), and the lowest-priced item will be free automatically.
Because your order will likely be over £30, we’ll also auto-add your free full-sized box of PAP Teeth Whitening Strips to your cart.
This gives you a total of 4 products for the price of 2, our best-value deal of the year.
Spend £30 or more during our Boxing Day Sale, and we’ll automatically add a FREE full-sized box of Teeth Whitening Strips (worth £29.99) to your cart.
No need to add it yourself or use a coupon code - it’s auto-applied to your cart once you hit the threshold.
Yes. Once you reach the £30 threshold, your FREE Teeth Whitening Strips will automatically appear in your cart before checkout.
If they don't appear immediately, please allow a moment or two for the cart to refresh before proceeding.
For the ultimate New Year smile reset, we suggest this trio:
- Original Teeth Whitening Powder – Lifts years of deep-set stains for a cleaner, brighter smile.
- Strawberry Teeth Whitening Powder – Same award-winning results in a refreshing new flavour.
- Enamel Care Serum – Strengthens enamel, protects sensitive teeth, and supports long-term health.
If you add these three products via our Buy 2 Get 1 Free deal, you’ll only pay for two.
Since your total will be over £30, we will also automatically add a FREE full-sized box of Teeth Whitening Strips to your cart!
The MySweetSmile Boxing Day Sale runs from 26 December at 8:00 AM GMT to 4 January at 11:59 PM GMT.
Please note: stock for the Free Teeth Whitening Strips is limited. To avoid missing out, we recommend placing your order as early in the sale as possible.
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.
7,250+ "Excellent" Trustpilot Reviews
Join the 1 million smiling customers worldwide who trust MySweetSmile for a brighter, more confident smile. Rated "Excellent" on Trustpilot (4.4/5) with over 7,250 verified reviews!
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.
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