Ready to hit the bottle? With a few precautions, coloring thinning hair can be safe -- and may even protect the hair shaft from breaking.
There's a myth that permanent hair-color is damaging, but that's only true if you bleach your hair or if you use the color incorrectly.
Meanwhile, semi-permanent colors that are acid-based may protect around the hair cuticle, and acid-based colors may coat -- and protect -- the hair.

