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Orders placed before 4 pm are shipped on the same day
Opalescence Mint flavour syringes are the first ADA-accepted, syringe-delivered, take-home bleaching gel. The patented formula has sticky, adhesive properties, which produce results in days rather than weeks. Opalescence tooth whitening system safely bleaches your teeth to lighten discolouration caused by food, coffee, tobacco, ageing, and other sources. The active ingredient in Opalescence, carbamide peroxide, has been recognized by FDA for many years as an oral antiseptic and is now used for its superior tooth-whitening properties. Opalescence is available in various carbamide peroxide concentrations to whiten even the most difficult stains.
Opalescence is recommended for whitening discoloured teeth before composite, veneers and crowns are placed. It effectively removes some or all internal tooth discolourations due to congenital, systemic, pharmacologic, traumatic, etc., factors and ageing.
The product was selected for people who dream of a snow-white smile. Thanks to the quick and simple adjustment of the product to the enamel without a trial, we can use the activity ourselves at home. The set consists of 2 overlays (for the upper and lower arch) and instructions explaining step-by-step how to whiten your teeth.
What to use Special heat shrink overlays allow the gel pressed on the formed product to act on the entire tooth surface. We recommend Opalescence gels available in our store's assortment.
Ultra EZ is a great gel to combat hypersensitivity symptoms. Ultra EZ contains 3% potassium nitrate and 0.11%, i.e. 1100 ppm fluoride ion. It is a thick, sticky gel that slowly releases the active substance.
Ultra EZ gel removes hypersensitivity caused by exposed root dentin, periodontal disease, whitening, teeth grinding for dental restorations (crowns and bridges, etc.), tooth wear caused by brushing, etc.
Package contents: 1 syringe 1.2ml Ultra EZ hypersensitivity gel.
We offer a variety of sports supplements, including muscle-building products, pre-workout formulas, post-exercise recovery items, vitamins and minerals, amino acids, and more.
All our supplements are sourced from reputable manufacturers and undergo rigorous quality control to ensure safety and efficacy. However, we recommend consulting a healthcare professional before starting any new supplement regimen.
Choosing the right supplement depends on your fitness goals, dietary needs, and any existing health conditions. Our product descriptions provide detailed information to help you make an informed decision. Contact our customer support team for personalised advice if you need more clarification.
Placing an order is simple. Please browse our products, add the items you’d like to your cart, and proceed to checkout. You can pay using credit or debit cards, Klarna, or LayBuy.
We offer both domestic and international shipping. Orders are typically processed within 1-2 business days; however, shipping times may vary by location. For detailed information, please refer to our Shipping Policy page.
Once your order is shipped, you will receive a confirmation email with a tracking number. You can use this number to track your order on the carrier’s website.
We offer a carrier ‘s-day return policy for unopened and unused products. If you are unsatisfied with your purchase, please contact our customer support team to initiate a return. For more details, please visit our Return Policy page.
Yes, we regularly offer discounts and promotions on various products. Sign up for our newsletter or follow us on social media to stay updated on the latest deals.
Absolutely! Our team of experts is here to help. Contact us via our website, and we will provide personalised recommendations tailored to your fitness goals and dietary needs.
We offer a selection of vegan—and vegetarian-friendly supplements. For specific information, please check the product descriptions or use the filter options on our website to find suitable products.
Please email our customer support team at info@crossthelimits.co.uk or speak directly to our AI bot assistant. We aim to respond to all inquiries within 24 hours.
We offer wholesale options for gyms, fitness centres, and retailers. For more information, please contact our wholesale department at wholesale@crossthelimits.co.uk.
Your order still needs to be completed” Our payment”gateway most likely did not accept your card. In such cases, the bank often holds the funds as “pending, ” which should be returned to your account within three business days.
If your card was not accepted when placing an order, please try using a different card or select an alternative payment gateway from the list on the payment page after placing your order.
We dispatch parcels to the EU every Friday. Your order must be placed by 10 AM on Friday to be included in that week’s shipment. If you order earlier in the week (e.g. on Sunday), your parcel will stay in the UK until Thursday, when it is transferred to our EU fulfilment centre. Once it arrives (usually within 5-7 days), we will send it via DPD, and you will receive your tracking details via email. Please note that the journey from the UK to the EU warehouse does not include tracking—tracking is only provided once your parcel is dispatched from the EU warehouse.
First, you’ll need to register for an account with our store to earn your points. Our points system lets you earn points on every purchase. For every £1 spent on our website, you earn 1 point. For every 100 points, you get £1 in store credit.
For example, if you order £100, you will earn 100 points (equivalent to £1), which you can redeem on your next order.
Yes! You can pay for your supplements using Bitcoin (BTC), Ethereum (ETH), USDT, and many other cryptocurrencies via our secure payment partner, NOWPayments.
To ensure reliable delivery and avoid customs issues, all UK orders are shipped via a consolidated weekly route to our EU hub.
This method guarantees:
Orders placed after Friday may be included in the following dispatch window.
Delivery time can be up to 2–2.5 weeks, depending on order timing.
All parcels are delivered via DPD with EU tracking provided after dispatch.
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