(TrendHunter.com) As the Official Haircare Sponsor of the Toronto International Film Festival (TIFF), Kérastase brought award-inspired glamour to the red carpet. Behind the scenes, the brand helped talent achieve…(TrendHunter.com) As the Official Haircare Sponsor of the Toronto International Film Festival (TIFF), Kérastase brought award-inspired glamour to the red carpet. Behind the scenes, the brand helped talent achieve…