I have a question about clients that want Balayage highlights and also require a root touch up. I know that it's a big no when it comes to over lapping. 'The balayage pieces should be very close and fine at the root, leading to a thicker . for regrowth touch-up and a balayage appointment every 12-16 weeks.' . Mar 31, 2014 - Ok, first off, I just have to say, I feel really guilty writing this article because I have so many friends in the salon industry and I do not in any way . Dec 15, 2016 - If you have highlights on your natural hair color, that will affect when you need to go in to touch up roots as well. Since balayage hair highlights . Highlights are concentrated at the ends of the hair rather than at the roots. . age we don't all have the time to be in the salon every few weeks for a touch-up. Jan 13, 2017 - 'Root Stretching' Is Every Woman's Hair Colour Dream . root touch up, then we weave out sections of the hair like balayage to 'stretch' the root .