Answer first
A leave-on serum is applied and not rinsed. For Folli-Flux: Use 1–2 ml twice daily on a clean, dry scalp. Part the hair, place drops along each part, massage gently with fingertips for a minute, then style as usual once it has absorbed.
Massage
A gentle one-minute massage helps spread the serum evenly.
Styling
Wait until it feels dry before adding styling products to your hair.
Questions
Is it sticky?
It is light and absorbs quickly.
Can I wash it out?
It works as a leave-on; wash at your normal time.