Holly Willoughby has shown fans how to touch up their roots at home and shared her biggest hair disasters. As part of a promo for Garnier with Vogue magazine, Holly, who is the face of the brand's hair colour, went through the process of dying her hair at home.
She used one of the colour kits and gave fans instructions on how to colour their own hair. The This Morning beauty, who was on a video call with Vogue's beauty and lifestyle director Jessica Diner, had a warning for anyone who hadn't dyed their hair at home before.
She said: "For anyone that's home colouring for the first time, remember to do a patch test. "As everyone's different, everyone's skin reacts differently.
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