[Easy To Use] The Eye Roller Applicator Can Evenly Distributes The Eye Serum Around The Eye Area And Provides A Comprehensive Massage Of The Eye Contour.It is recommended to use it twice a day, once in the morning and once in the evening for better results. [Refreshing And Moisturizing] One of the best essential oils for skin use, try frankincense essential oil for skin balancing and clarification. [Reduces Fine Lines] Castor oil plumps your under-eye area while reducing dark circles, puffiness, fine lines and wrinkles for a refreshed look. [Easy And Precise Application] The built-in stainless steel rollerball allows for precise and controlled dispensing to a specific part of the body, while the premium amber glass bottle provides the best UV protection to help maintain the oils' composition and prevent oxidation. [Travel Friendly] Our castor oil roller ball are also incredible travel accessories - small enough to fit in a bag or purse, or to pass through airport security.A controlled amount of essential oil is released only when the roller ball moves across a solid surface so you don't have to worry about spills during travel.