It can be used as an aromatic mixture in soaps, shampoos, washing powders, and daily cosmetics.

Cinnamonic acid is used to prepare apples and cherries, which can be used as apple flavor, cherry flavor, fruit flavor, and floral fragrance. It has the effect of inhibiting the formation of black tyrosinase, has a certain insulating effect on ultraviolet rays, can make brown spots lighter or even disappear, and is one of the essential ingredients in advanced sunscreen. Cinnamic acid itself is a kind of spice, which has a good aroma-retaining effect. It is usually used as a raw material for fragrant, which makes the aroma of the main fragrance more volatile.