1, check the purchase channel policy: check the purchase channel of contact lenses to understand their shelf life and return policy. Different channels have different regulations and requirements.
2. Contact the seller or customer service department: If it is determined that the shelf life needs to be written off or returned, you can directly contact the seller or the customer service department of the relevant brand to consult their specific operation procedures and requirements. They will ask for proof of purchase, product serial number and other information for verification.
3. Provide relevant information: According to the requirements of the seller or brand customer service department, provide detailed information about purchasing contact lenses, such as purchase date, product name, product serial number, etc. Need to provide proof of purchase, invoice or product packaging as evidence.
4. Complete the write-off or return process: according to the instructions of the seller or brand customer service department, complete the corresponding write-off or return process. Products that need to be mailed or returned.
The specific verification or return process varies according to different sales channels and brands. For detailed operating instructions, please contact the seller or the customer service department of related brands directly.