Intensive PAP™ Teeth Whitening Strips

£19.99 £14.99
people are viewing this product


Achieve and maintain your sparkling smile with our Intensive PAP™ strips. Designed for on-the-go whitening, our formula delivers noticeable results with no discomfort or sensitivity.

Includes 14 individual treatments, featuring our innovative non-slip grip technology for a secure and comfortable fit.

Key Features   
14 Applications Whiter in 30 minutes
No Sensitivity & No Irritation Safe Formula
Convenient & Easy Vegan friendly

The Intensive PAP formula

Our formula contains the active ingredient Phthalimidoperoxycaproic acid (PAP), which works quickly to remove surface stains and discolouration from the enamel of the teeth.  Potassium nitrate and hydroxyapatite are in the formula too, to remineralise and strengthen your teeth for a healthier smile.

What's included?

  • Teeth Whitening Strips (14 pouches / 28 Strips)
  • Teeth Shade Guide
  • User Guide

How to use?

Step one - PEEL

Remove the plastic backing from the strips.

Step two - APPLY

Align the sticky side of the strip with your gum line and press against your teeth.

Step three - SMILE

Whiten for 30 minutes, then remove and discard.

Key ingredients

Phthalimidoperoxycaproicacid (PAP) is scientifically proven to whiten teeth without harmful side effects.

Potassium Nitrate helps alleviate and treat pre-existing tooth sensitivity.

Hydroxyapatite protects the outer layer of teeth, prevents demineralisation and helps rebuild your tooth enamel.

Shipping Information

We aim to dispatch all orders placed before 2 pm GMT Monday-Friday on the same day.

Express UK Delivery

Royal Mail Tracked 24® (1-2 business days) - FREE

Royal Mail Special Delivery Guaranteed by 1pm® - £4.99

International Delivery

Royal Mail International Tracked (5-10 business days) - £7.99

30-Day Money-Back Guarantee

Our teeth whitening product guarantees a minimum of 2 shades whiter teeth. To claim a refund, follow these steps within 30 days of receiving the product:

  1. Take a before and after photo of your teeth along with a photo of the used product.
  2. Email the photos to
We'll process your request in 1-3 business days, so ensure the photos have a valid timestamp.

    Intensive PAP Formula

    Three key ingredients that work in harmony

    Our whitening formula leaves your teeth as strong and healthy as they are beautifully white.


    Teeth Whitening

    Phthalimidoperoxycaproicacid (PAP) is scientifically proven to whiten teeth without harmful side effects.


    Reduce Sensitivity

    Potassium Nitrate helps alleviate and treat pre-existing tooth sensitivity.


    Protect & Rebuild

    Hydroxyapatite protects the outer layer of teeth, prevents demineralisation and helps rebuild your tooth enamel.

    Smartly designed for fuss-free application

    Our non-slip strips make whitening your teeth effortless. With Smilerex®, teeth whitening time will become a favourite part of your self-care routine.

    The Science Behind Your Smile

    Would you love a whiter smile? When your teeth are strong and healthy with a pure-white sparkle, you look amazing and feel more confident. Teeth whitening products can help you achieve a dazzling smile – and there’s a unique science behind the way they work.

    Learn more
    Are smilerex® teeth whitening products safe?
    How does the Intensive PAP formula work?
    Can I use smilerex® on caps, crowns, veneers, dental implants, bridges, teeth with braces?
    List of ingredient
    How soon will I see results?

    A Whiter Smile Equals a More Confident You

    Smilerex® is at the forefront of powerful yet safe teeth whitening.

    PAP is scientifically proven to whiten teeth without causing pain or sensitivity.

    Customer Reviews

    Based on 96 reviews
    Michael Boyle (United Kingdom)
    Confidence BOOST!!! 😃

    Beautiful Results! I am a smoker and they helped a lot. This is what we all expect out of whitening strips. I’m glad I actually found a solution to my problem. 👍

    Hi Michael,
    Thank you so much for sharing.
    Your words mean a lot!
    Best, Paul, Smilerex Customer Support Team

    Duncan Mcintyre (United Kingdom)
    Great Product!

    Whitens teeth well and is very easy to use! Some strips have a bad taste/after taste, but not these whitening strips. I will continue to purchase.

    Barbara Laing (United Kingdom)
    Awesome Whitening Strips

    Works great! My mom really enjoyed them!

    Philip O'neil (United Kingdom)
    Best whitener ever!

    They did am amazing job on whitening my teeth. I was super happy with my results.

    Siobhan M. (United Kingdom)

    Gets teeth whiter for sure, with no sensitivity issues.

    Helen Rushton (United Kingdom)
    These worked very well on my teeth.

    They definitely helped whiten my teeth and didn't leave my teeth or gums sensitive

    Imran Yaqoob (United Kingdom)
    Buy buy buy

    Gentle on my sensitive teeth! Good price and work well!