DIY beauty hacks almost always sound appealing—learn something new and save money, all from the convenience of your own home? What's not to love? Sometimes, things don't go exactly as planned, like in the Diff'rent Strokes episode where Kimberly rinsed her hair with rainwater (acid rain!) and it turned bright green (I honestly thought it looked great). Here are 14 times people should have kept their hair and skin care appointments instead of doing things themselves: