*Up to 3 Tons = 20 vol. 20 minutes with oxidant. Leave it on your hair. **Up to 6 Tons = 30 vol. 25 minutes with oxidant. Leave it on your hair. ***Up to 9 Tons = 30 vol. Leave on hair for 35-40 minutes with oxidant. wait. Protea Powder Lighteners are specially produced with an Italian formula recipe. Protea is a brand of Zelis Cosmetics.