Hot Hot Pink is a cool-toned medium neon pink hair dye that glows vibrantly under black light when dyed on the lightest level 10 blonde hair. For deeper pink tones, this can also be used on virgin, unbleached hair. Semi-permanent hair color. Stronger and longer lasting. 4 oz bottle with snap top. Free from: cruelty, parbens, gluten, ammonia, resorcinol, ppd, and phthalates. Vegan. Made in the USA.