Whether or not a moisturizer can be used every day depends on the individual’s skin condition and the moisturizer’s ingredients. Moisturizers contain polydimethylsiloxane which forms a protective film on the outside of the skin to retain moisture. Vaseline moisturizes the skin and reduces roughness problems. Hyaluronic acid and glycerin have hydrating properties. In dry winter, using moisturizer can help to relieve dry skin problems. It is usually not allergic can be used daily. However, some moisturizers contain certain ingredients that can cause the development of atopic dermatitis or cause folliculitis. This is when it is not recommended or not recommended for daily use. Therefore, in general, moisturizers can be used every day for most people as long as there are no skin problems at the time of use. It depends on the individual.