The Best 28 Day Touch Ups Permanent Hair Color References. Web 28 day touch ups permanent hair color lets you touch up your roots or grays at home, without a pricey salon visit. Web 28 day touch up permanent hair.

Web 28 day touch ups is great for root touch ups or for coloring small areas of gray. Can be used for coloring gray on the temple and scalp. Web lasts for up to 4 weeks.