Good Dye Young Semi-Permanent Hair Colour Ex-Girl is a vibrant neon pink dye that does not damage hair and lasts 7-24 washes. This bold, hot pink shade is the perfect pop for money pieces, buzzcuts, bangs, dip-dyes, and more. This 59.1ml tube combines salon-grade pigments with a non-toxic formula to deliver ultra-vibrant colour. Most vivid on level 10 hair.