K18 Treatment in Marylebone

We pull published menu prices from salon websites and show them in one place so you can compare before you book. Across 3 salons in Marylebone, k18 treatment is listed from £45 to £80, with a typical starting price of £48 (default prices, before the optional discounts above). Prices last checked 14 October 2026 — always confirm with the salon.

3 salons, sorted by price, lowest first.

• Jo Hansford London

  0.8 miles from area centre

  48 S Audley St, London W1K 2QB, UK

  4.7 (295 reviews)

  10% off Jo Hansford expert colour care online order

  £50£4510% offOnline order (VIP sign-up).

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  View salon page · K18 Treatment hub

• HDSUP Hair & Beauty

  0.4 miles from area centre

  112 Crawford St, London W1H 2JF, UK

  5.0 (256 reviews)

  £48

  Duration: 4 minutes

  K18 PRO treatment

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  View salon page · K18 Treatment hub

• Adore Centre (Beauty & Hair Salon , Massage , Aesthetic, laser, Moroccan Hammam & spa)

  0.3 miles from area centre

  150 Marylebone Rd, London NW1 5PN, UK

  4.8 (456 reviews)

  £50–£80

  Show full menu at this salon

  View salon page · K18 Treatment hub

Prices last checked 14 Oct 2026. Confirm with the salon before booking.