Apple Wax: Why Are Apples Waxed?

Next time you pick up a shiny apple at the grocery store, you may wonder why it looks almost polished. Apples, like many fruits, naturally produce a thin layer of wax that forms as they grow. This natural coating helps retain moisture, slows shrinkage and protects the fruit from mould. During commercial packing, apples are thoroughly washed to remove dirt and field residues; that washing process removes much of the natural wax. To replace what is lost, packers apply a tiny amount of food‑grade wax—just enough to coat the surface.

Types of Food‑Grade Wax

The most common coatings used on American apples are carnauba wax and shellac. Carnauba wax comes from the leaves of the Brazilian carnauba palm and has been used on foods for decades. Shellac is a natural resin secreted by the lac bug; when refined, it creates a shiny, protective finish. Both waxes are approved for use on food by regulators such as the U.S. Food and Drug Administration (FDA), Food Standards Australia New Zealand and the European Union.

Only a few drops of wax are applied to each apple—about one to two drops per piece of fruit. The amount is so small that it is measured in milligrams, yet it significantly reduces moisture loss and extends shelf life. Without a wax coating, apples shipped long distances would become soft and shrivelled long before reaching store shelves.

The lustre on many supermarket apples comes from a thin layer of food‑grade wax applied after washing.

Is Apple Wax Safe?

Food‑grade waxes have been consumed safely for decades. They are not digested but simply pass through the digestive system without being absorbed. Contrary to some myths, the wax does not “seal in” pesticide residues; apples are washed and tested before waxing, and any residual pesticides remain at trace levels well below safety limits. Regulators worldwide regard carnauba and shellac as safe to eat. For consumers who still prefer wax‑free fruit, our removal guide shows how to remove coatings at home.

Carnauba palm tree leaves — Carnauba wax is harvested from the leaves of this Brazilian palm and used as a natural coating on apples.

Looking for more information about the natural wax coating on fruit? Our page on wax on apple skin explains how nature creates its own protective layer. If you’re curious about tropical fruits, visit the wax apple fruit overview.