1. It can cover up the taste of raw materials of skin care products, especially some traditional Chinese medicines. Usually, these raw materials smell strange. If they are not covered with fragrance, consumers may feel uncomfortable, dislike and experience decreased;
2. Can bring a pleasant sense of smell;
3. It can bring some functional associations to consumers, such as moisturizing products smelling moist, which can enhance consumers' psychological cues;
4. For some high-end products, high-quality flavor is also one of the factors that reflect the high-level of the product.
