1. Source: Customs perfume refers to perfume purchased from overseas and imported through customs. Its source is uncertain, and there may be fake and shoddy products. Authentic perfume refers to the genuine brand purchased from official channels, and the quality is guaranteed.
2. Quality: Customs perfume may have problems such as expiration and deterioration, while genuine perfume has quality assurance. In addition, there may be differences between customs perfume and genuine perfume in packaging, color, aroma and durability.
Therefore, consumers are advised to choose formal channels to buy genuine brand perfume to ensure quality and safety.