This 10 ml essential oil roller is filled with rose quartz, the crystal of unconditional love.  It's said to boost feelings of self-love and foster loving relationships with others.  The essential oils mixed in this roller include rose oil and vanilla oil safely dilluted to 5% with sweet almond oil making them safe for adult use.  Caution should be exercised for those that are pregnant or breastfeeding.   Not intended for use on children.