*19* Apparently You CAN Dye Over Henna’d Hair.. Hey, yal. Excuse the hot messery of it all, but I had to show you all my delightful color screw up. I love the look, but Unk Sam won't. Oh well. I used L'Ore… Related posts: Is it true that once you dye your hair & it grows out, it’ll never go back to being the original col I want to dye my hair back to blonde? Can you put dye over bleach blonde hair? Will a light blonde color turn red if I dye it over with a golden blonde dye?