Lip balm helps by sealing in hydration and protecting ... Some people can also have irritation or allergic reactions to certain ingredients, including fragrances, flavors and preservatives.

A customer suffering a severe reaction to a skincare balm says she warned Kmart a month before a teen was hospitalised.

Apply lip balm first, to provide moisture to your lips. Lock in the moisture with a layer of petroleum jelly. In rare cases, some people might encounter an allergic reaction to petroleum jelly.