The Anti-fog roller is to help you concentrate while working or studying.
All the rollers have an amethyst rollerball.
Amethyst is known for its grounding and healing properties. It also helps to relieve stress, anxieties and fatigue.
Roll on wrists for best results
WARNING: Do not use if you are in the first 4 month of pregnancy, do not use on children under 12 and do no let your pets lick the peppermint, it is toxic to them.