Good Dye Young Ex-Girl neon pink semi-permanent hair color. Purchased a few years ago but never used, bottle is still sealed. Check out my other listings of GDY hair dye and bundle for a discount! Good Dye Young is the hair color brand founded by Hayley Williams from Paramore. From the brand: True, hot-pink with bright warm undertones Semi-Perm 16-24+ washes Most vivid on level 10 hair Semi-permanent hair dye combines salon-grade pigments with a nontoxic formula that deposits ultra vibrant color. Our semi-permanent hair dyes do not damage the hair, in fact they’re super conditioning with a high-quality cream base that acts like a hydrating hair mask with essential oil benefits.