There is no such thing as the best age to get double eyelids, it can be chosen on an individual basis and is generally recommended after the age of 18. Double eyelid surgery, also known as blepharoplasty, is one of the most common procedures performed in cosmetic surgery. There is no specific age limit for double eyelid surgery, nor is there a best age to have it done, it needs to be done according to individual needs. However, it is not advisable to have double eyelids at an early age, and it is generally appropriate to consider surgery after the age of 18. If you need double eyelids for reasons such as blocked eyelashes or sagging upper face, you can also have them done before the age of 18. There are many double eyelid surgeries, such as buried eyelid, incision eyelid, and suture eyelid, etc. You can choose the right one for you according to your condition. After surgery, you need to pay more attention to keep the local skin clean to avoid causing infection. It is recommended that people who are in need of double eyelid surgery should go to a regular hospital for a detailed consultation and choose the right surgery method according to their personal conditions.