The versatile leave-in oil offers deep care for blonde hair with heat protection up to 230 . Immediately smoothes raised cuticles, and significantly reduces broken hair ends by nourishing the hair fiber from the inside. Leaves the hair up to 91% stronger and 6x brighter. Edelweiss oil deeply nourishes the hair, resulting in softer softens hair deeply while nourishing. Application: Apply 1 or 2 drops on wet or dry hair, as a leave-in treatment.Start from mid-lengths and work to ends.Style as desired.It can be used as a pre-blow dry oil and for finishing and touch-ups during the day. How to refill: You can easily refill your bottle over & over thanks to a 3-step process :1.Unscrewyour empty oil refill & separate it from the glass bottle2.Unboxyour new oil refill & plug it into the glass bottle3.Turnclockwise your refill to lock it & recycle your empty refill by removing the pump