What it is and what it does Shine-boosting spray in 250 ml can Light and ultrabrilliant, adds lustre to hair without weighing it down. How to use Shake well before use and spray on dry hair from a 30- cm distance. Stylist’s tips For more uniform application, move the hair with your hands while spraying. Perfect for daily use. DANGER: W029 - Bouteille pressurisée.