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London City Smiles

The Ultimate Guide to Teeth Whitening: Everything You Need to Know

Are you dreaming of a brighter, whiter smile? You’re not alone! Teeth whitening is one of the most popular cosmetic dental treatments in the UK — and for good reason. A radiant smile can boost your confidence, enhance your appearance, and leave a lasting impression.

But with so many options available, it can be hard to know where to start. That’s why we’ve created this simple guide to help you understand your choices, what to expect, and how to get the best results.


✨ Why Do Teeth Get Stained?

Over time, teeth naturally darken due to age and daily habits. Common culprits include:

  • Coffee, tea, and red wine

  • Smoking or vaping

  • Certain medications

  • Poor oral hygiene

  • Natural ageing

Even with regular brushing, stains can build up below the enamel surface — and that’s where professional whitening comes in.


🔍 Teeth Whitening Options: What’s Best for You?

At our clinic, we offer trusted, safe, and effective whitening solutions tailored to your lifestyle and goals:

Boutique Home Whitening

A popular at-home whitening kit with custom trays made just for you.

  • Gradual brightening over 1–2 weeks

  • Use at your convenience

  • Ideal for sensitive teeth

EVO4 by Enlighten

One of the most advanced whitening systems available.

  • Guaranteed B1 shade (the whitest natural shade)

  • Works both at home and with in-practice support

  • Long-lasting results

Philips Zoom Whitening

A global leader in whitening treatments.

  • Fast results with in-practice and take-home options

  • Great for special events or quick transformations


💬 Frequently Asked Questions

Q: Is teeth whitening safe?
Absolutely — when done under the supervision of a dental professional. We use clinically approved systems that are safe for enamel and gums.

Q: Will it make my teeth sensitive?
Some people experience mild sensitivity, but we offer desensitising options and tailor treatment to minimise discomfort.

Q: How long does it last?
Results typically last 6–12 months or longer, depending on your habits and maintenance. Regular top-ups can keep your smile bright for years.


💰 Current Special Offers – Summer 2025

Looking to whiten your teeth before a holiday or special event? Take advantage of our limited-time summer deals:

  • Boutique Whitening: £340 (was £450)

  • Philips Zoom Whitening: from £615 (save £110)

  • Enlighten EVO4 Whitening: £640 (was £750)

  • Top-up gels: from £41

✅ Free trays
✅ Free 2 top-up syringes
✅ Free consultation
📅 Offer valid until 31st August 2025


✨ Ready to Transform Your Smile?

If you’re ready to take the first step toward a whiter, more confident smile, book a complimentary consultation today. We’ll assess your teeth and recommend the best whitening option for you.


Terms & Conditions:

Offer cannot be combined with other promotions. Valid until 31/08/2025. Subject to availability.

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Refer a friend program

Share Your Smile, Share The Love!
Refer a friend to London City Smiles and both you and your friend will receive a £50 credit for a dental treatment! It’s that simple spread the word, and we’ll take care of the rest. T&Cs apply.