As you age, your body starts to lose collagen. Collagen is an important substance that exists all over your body, including in your skin, muscles, bones and connective tissues. Decreased amounts of collagen in your skin causes skin laxity and loss of volume. Skin becomes thinner, loses its elasticity and starts to sag.

Fillers and injectables are a type of nonsurgical cosmetic procedures that plump up wrinkles, smooth lines and restore volume in your face. Injectables are typically used to treat wrinkles and lines, while fillers are used to correct volume loss, such as sunken cheeks or hollow temples.

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