eCosmetics is an authorized retailer of Arctic Fox.Your new favorite denim. Blue Jean Baby is the perfect navy! She’s stylish, wearable and goes with everything – just like your favorite jeans. This deep, midnight blue is highly-pigmented, long-lasting, and fades to a smoky blue. Made to be used on level 7 hair and higher but for richest color, we recommend applying to pre-lightened hair.