1. product source and channel: when purchasing fragrance and odor propagators, choose regular sales channels and reliable merchants. Ensure that products come from regular manufacturers and avoid buying products of unknown origin or low prices.
2. packaging and labeling: carefully check the packaging and labeling of products, including information such as trademark, name, specifications, ingredients, production date and expiration date. Real products usually have a clear, complete and accurate logo.
3. Official certification and authorization: official certification or authorization will be obtained, such as quality certification and recognition by industry associations. Check the official websites of relevant certification bodies to confirm whether the products meet the corresponding certification standards.
4. After-sales service and warranty: Real brands usually provide good after-sales service and warranty policies. Make sure to understand the relevant after-sales service terms when purchasing, such as return policy and quality assurance.