Defines and shape your brows with brow mapping. Brow tint lasts 5 to 7+ days on the skin and 2 to 6 weeks on the brow hairs, depending on the specific formula used and your aftercare routine. Longevity breakdown on the skin: The temporary skin stain lasts about 5 to 7 days (and up to 10 days for some). On the hair: The color on the actual brow hairs holds strong for 2 to 6 weeks as new hair growth cycles in.