Prime Day Extended Sale - Save 59% + Free Pen! ⏰

Save up to 59% storewide + Buy 2 Get 1 Free. Free 2-Day Delivery and a Free Whitening Pen on orders over £40. Prime Day extended — sale ends Sunday, 5 July at 11:59pm.

Buy 2 Get 1 Free + Free Whitening Pen 🎁

Pick any 3 products from the Deal Builder below and get 1 free. Spend over £40, and you'll also unlock Free 2-Day Delivery plus a Free Whitening Pen on us.

Web Exclusive: Whiten & Brighten Bundle — Save 59% + 4 Free Gifts 🎉

The Powder lifts surface stains. The Strips reverse the deep-set yellowing beneath the enamel that brushing alone can't reach. Used together, they cover every layer of staining in one AM and PM routine.

The Whiten & Brighten Bundle includes both, plus 4 Free Gifts worth £55.96: Precision Whitening Pen, Fresh Mint Toothpaste, Fresh Breath Spray, and Free 2-Day Delivery.

Was £132.95 → Now £54.99 — Save £77.96 (59% Off + 4 Free Gifts)

Prime Day Extended Sale FAQs

No — all sale savings are applied automatically. You'll see reduced prices marked across the site, with up to 59% off our Whiten & Brighten Bundle and a Free Whitening Pen on every order over £40.

The Whiten & Brighten Bundle — Powder + Strips + 4 Free Gifts (Pen, Toothpaste, Breath Spray, and Free 2-Day Delivery) for £54.99.

Was £132.95 → Now £54.99 — Save £77.96 (59% Off + 4 Free Gifts).

Use our Buy 2 Get 1 Free Deal Builder above — select any 3 products, and we'll automatically add the lowest-priced item for free. No codes needed. Combinable with the 30% off sitewide sale price.

Every order over £40 automatically includes a FREE Precision Whitening Pen (worth £24.99) — no code needed.

Stock is limited, and we won't be restocking, so once they're gone, the offer ends — even if the sale is still live.

No — both the Whiten & Brighten Bundle at 59% off and the Buy 2 Get 1 Free deal are website exclusives.

You can find our individual products on Amazon, but the bundle deal and the Buy 2 Get 1 Free offer are only available here on our official website.

Free 2-Day Delivery on all orders over £40, with Next-Day Delivery available at checkout. Orders placed before 10pm are dispatched the same day.

The Prime Day Extended Sale runs until Sunday, 5 July at 11:59pm.

You'll get an email with your tracking link as soon as your order is dispatched from our warehouse. You can also check the Order Tracking page on our site anytime.

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.

8,000+ "Excellent" Trustpilot Reviews

Join the 1 million smiling customers worldwide who trust MySweetSmile for a brighter, more confident smile. Rated "Excellent" on Trustpilot (4.5/5) with over 8,000 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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