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Say goodbye to frizz without the formaldehyde. AGI ONE is a next-gen smoothing and conditioning treatment that skips traditional keratin in favour of silk proteins and amino acids, releasing nanoparticles that repair hair from the inside out while locking in a protective outer layer.
Smooths and conditions while repairing from within
Formaldehyde-free formula
Results last 3 to 5 months
About Square Roots:
Boasting a full range of hair services, including cuts, colours, styles and treatments, Square Roots knows you're after quality service and excellent results, and provides just that. With new treatments and techniques to keep ahead of the latest worldwide hair trends, Square Roots' blend of exquisite cutting, beautiful colouring, catwalk-quality finishing and service mean you can relax in the safe hands of experts.
Conditions
Valid from Jul 10, 2026
Expires Oct 9, 2026
Limit: 2 per user and 2 as gift for others
Bookings essential. Subject to availability. Not valid public or statutory holidays. Valid Monday from 9.00am to 1.00pm, and Tuesday to Saturday from 9.00am to 4.00pm. Valid for shoulder-length hair only. Thick hair or hair longer than shoulder length may incur an additional charge, payable direct to merchant, please check before purchasing. Valid for the option stipulated on the coupon. Must be used in 1 visit by 1 person. One coupon is valid for one person only. 24-hour cancellation policy applies or coupon is void. While stocks last. No refunds unless required by law. No cashback. Not to be used with any other offer. See the rules that apply to all deals.