How to use Kérastase Chronologiste L’Huile De Parfum Hair Oil Refill: 

1. Apply 1 or 2 drops on wet or dry hair, as a leave-in treatment.
2. Start from mid-lengths and work to ends.
3. Style as desired.
4. It can be used as a pre-blow dry oil and for finishing and touch-ups during the day.

How to Refill Kérastase Chronologiste L’Huile De Parfum Hair Oil:

1. Unscrew your empty oil refill & separate it from the glass bottle
2. Unbox your new oil refill & plug it into the glass bottle
3. Turn clockwise your refill to lock it & recycle your empty refill by removing the pump