Please ask me (pillow spray). I tried doing it in 20ml. The proportion is 1. Essential Oil 1% (0.5ml.) Grapefruit,geranium,vettiver 2. Flora Solve Clear 5% ( 1.5ml.) 3. DiWater 94% (18ml.) 4. Phenoxyethanol SA 1% (0.2ml.) mix 1+2 until combined, add to part 3, stir until combined, leave for a while ...