Is it true that ... the more lip balm you use, the more lip balm you need?

Are chapsticks as addictive as some claim? We ask an expert to clarify Ever found yourself stuck in a loop ofapplying more and more lip balm, wondering whether it's because the product's becoming less effective with each application, or your lips are becoming reliant on it for moisture and dry out more easily when you don't apply it? Dr Rosalind Simpson, a medical dermatologist from the Centre of Evidence Based Dermatology at the University of Nottingham, says: "Lip balms don't contain products ...