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Loreal's INOA color is now available at Trevi. INOA is a revolutionary hair color system that has no ammonia, no odor, 100% coverage of white, and has a haircolor palette of 49 shades and with additional shades being added soon.  INOA is the first haircolor of its kind to introduce Oil Delivery System (OD) technology and replace ammonia with MEA.



Hair rehab starts here! The serum in this two-step in-salon treatment is enriched with Intra-Cylane ®, a water-activated molecule that is able to deposit in the hair as evaporation takes place. It is designed to help reinforce the protective layer of hair. Followed by the special sealer, hair feels softer and looks revitalised.




Powerdose treatments are unique concentrated technologies designed to instantly restore the beauty of your hair.   Please visit our Services page to learn more about the different Powerdose treatments that we offer at Trevi including treatments for dry, damaged hair, enhancements for highlighted hair, smoothing treatments for unmanageable hair and additional treatments that strengthen, volumize, cleanse, and protect various hair types.






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