Using the pipette, put a few drops in the palm of the hand.
Warm the product and apply to the lengths, focusing on the ends.
Fine to normal hair: 2 to 3 drops on the entire hair.
Normal to thick hair: 3 to 5 drops.
Thick, very dry or unruly hair: 6 to 10 drops.
One oil, 4 professional uses:

Before shampoo, on dry hair to nourish and soften. Leave to work for 20 minutes.
Before blow-drying to detangle and soften..
After blow-drying to add shine to hair.
Leave on all night as a hair mask for deep nourishment.