# Teeth Whitening Home Kit (Dentist-Prescribed) — UK price comparison

Source: https://thelocaldentist.co.uk/treatments/cosmetic-dentistry/teeth-whitening-home-kit/

## Quick answer

A dentist-prescribed home whitening kit — custom-made trays plus professional-strength carbamide or hydrogen peroxide gel worn for two to four weeks — typically costs £250–£500 in the UK. Tooth whitening is legally dentistry: only GDC-registered dental professionals may provide it, and gels above 0.1% hydrogen peroxide cannot be sold direct to the public, which is why shop-bought strips do little and beauty-salon whitening is illegal. Whitening is cosmetic, so it's never available on the NHS, and it only lightens natural teeth — crowns, veneers and fillings don't change shade.

## Key facts

- Typical private cost: £250–£500
- Typical UK cost: £250–£500 including examination, custom trays and a course of gel
- Whitening is legally dentistry — only GDC registrants may provide it; salon and kiosk whitening is illegal
- Gels above 0.1% hydrogen peroxide can't be sold direct to the public, so shop kits are far weaker
- Results appear over 2–4 weeks of nightly or daily wear and typically last 1–3 years
- Top-up gel through your dentist (roughly £20–£60 a syringe) maintains results cheaply
- Never available on the NHS — whitening is cosmetic

Factual price comparison from The Local Dentist — not clinical advice.