Formulated with pink pigments, it softens hair while adding pink tones.. Infused with milk proteins for strength and grapefruit extract for a conditioning and invigorating action. To use: After washing, apply evenly to damp hair or select strands to create fashion effects. Leave on for 5 to 20 minutes depending on desired intensity, then rinse thoroughly. For best results use in conjunction with milk_shake pink lemonade shampoo.