Popsugar Beauty Hair How Often Should I Get My Roots Touched Up? Why Avoiding Those Root Touch-Ups Is Actually Costing You Way More Money 30 August 2019 by Tori Crowther View On One Page Photo 3 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Colour Processing This was left to marinate (if we're being technical) for 20-30 minutes. Previous Next Start Slideshow HairBeauty ExpertExpert Hair TipsHair TipsHair ColourRed Hair