Directions has a black dye that I have not tried yet, but I heard it works really well. https://www.haircrazy.com/shop/hair-...ections/ebony/Just watch out because directions does stain. http://directionshaircolour.co.uk
Also I’m so sorry to hear she’s depressed from this ... have you tried to convince her it’s just hair? I know that sounds awful of me to say.. but I wouldn’t stress so much over it. If all else fails why not just go to a salon and have a stylist do it for her?
Bookmarks