1 bottle (20 ml) 1 bottle is sufficient for more than 50 treatments. Thanks to our mild Developer Creme stinging eyes during the eyelash tinting belong to the past! 10 drops of BINACIL™ Developer creme are mixed with 2 cm of BINACIL™ Eyelash & Eyebrow tint to create a 1.5% color creme, e.g. very hygienically and clean on the BINACIL