Due to its popularity, the term has become a genericized trademark . It popularly refers to any lip balm contained in a lipstick-style tube and applied in the same manner as lipstick. However, the term is still a registered trademark , with rights exclusively owned by Pfizer. Its main competitors in the US, Carmex and Blistex , also use the popular lipstick-style tube for their lip balm products. In Iceland and in the United Kingdom, the product's main competitor is Lypsyl , made by Novartis Consumer Health and distributed in similar packaging to ChapStick.