Ultimate Keratin Treatment for Smooth, Sleek and Strong Hair

Allertons' Ultimate Keratin Smoothing Treatment by Kerastraight is the very best in hair treatments for those wanting straighter, smoother, more manageable and repaired hair. Using the Kerastraight Ultimate Treatment, this Keratin hair service will be expertly conducted by one of our trained hair stylists, leaving your hair perfected and transformed. Available at all Allertons Salons.

What is the Ultimate Keratin Smoothing Hair Treatment?

"KeraStraight's family of treatments will radically transform your hair, leaving it feeling repaired, looking gorgeous & easy to manage. Every product is designed to deliver like no other as a result of combining the latest technology with our commitment to excellence and our passion for gorgeous hair." - Jez Barnett, founder of Kerastraight

The Allertons Ultimate Keratin Smoothing Treatment by Kerastraight is an evolution in straightening and repair. This semi-permanent treatment has been designed to transform even the most difficult hair into stronger, straighter, repaired hair that’s easy to maintain and gorgeous to the touch.

What are the benefits of the Ultimate Keratin Smoothing Hair Treatment?

If your hair is:
  • Frizzy
  • Dry or Damaged
  • Curly or Wavy
  • Too Thick or Takes Too Long to dry or style
  • ...or all of the above!


One application of our Ultimate Keratin Smoothing Hair Treatment is a perfect solution for everyone who finds their hair hard to manage, dry & damaged or too time-consuming.

The unique combination of low pH proteins will renew dry, damaged and weak hair, transforming it completely into healthy, straighter and stronger hair that both looks and feels amazing. These incredible repairing agents rebuild the hair with added strength, vitality and shine providing a smooth, soft and straighter finish.

  • Suitable for all hair types
  • Strengthens and repairs hair, to the very last tip
  • Eliminates frizz
  • Humidity resistant

Is the Ultimate Keratin Smoothing Hair Treatment safe for my hair?

Our expert stylists will first evaluate your hair at a free Hair Treatment Consultation, to see if you would benefit from the Ultimate Keratin Smoothing Hair Treatment. The treatment is safe, does not damage hair, and Formaldehyde-free (unlike many other smoothing treatments).

How long do the results of the Ultimate Keratin Smoothing Hair Treatment last?

You can expect your hair to be smooth and frizz free for up to 4 months, gradually fading from the hair, as long as you follow our aftercare instructions.

How can I book an appointment?

All Allertons Hair and Beauty Salons offer Hairdressing, Hair Colour, Facials, Massage, Lycon Waxing Hair Removal, Manicures, Pedicures and Brow and Lash Services. You can Book an Appointment with us by: