Sisley Hair Rituel Volumizing (W) 150Ml Hair & Scalp Spray The Sisley Volumizing Spray features a light formula that works to improve the hair's volume and texture. Using plant based active ingredients is creates a long lasting lifting effect whilst also resisting humidity. Strengthens the hair, adding visibly more volume. Non-sticky. To use: Apply to damp hair before drying or styling. Hold 20cm away from the hair and spray over the top, back and sides whilst lifting the hair.