Read more: Beauty is late, handsome men are blessed, are human tragedy. Do you dare to imagine yourself getting old? Sagging skin, wrinkles, out of shape …… But supermodel Christie Brinkley used years of microcosm maintenance to defeat time and create the myth of agelessness! Who could not envy with her daughter like a sister? The actual fact is that there are some plastic surgery procedures that are age-restricted, and there is certainly an “optimal age” for them. You know what? 1, the best age of double eyelid surgery “and” limit The best age Because with the growth of age, face shape changes, will affect the shape of double eyelid plastic surgery, so it is recommended to be 16 years old or older, preferably after the adult surgery. Restrictions Double eyelid surgery may seem simple, but ensuring the results of double eyelid surgery requires good skills of the surgeon. The design of double eyelid surgery is very fine, the design is calculated in millimeters, and the width is mostly within 10 mm, usually between 5 and 8 mm. If you are taller and have a melon face, or if you need it for some reason, you can cut your double eyelids a little wider, but it is best not to go beyond 10 mm. More than the limit of double eyelid surgery, will usually result in two consequences: one is eyelid drooping, resulting in incomplete or open eyes; the second is panic eyes, due to double eyelids too large, resulting in the eyes always look “stare”. 2, rhinoplasty “best age” and “limit the best age Generally speaking, the root of the nose in early childhood is low, the bridge of the nose is flat and collapsed, the small nose up towards the sky, commonly known as the saddle nose, as the age of nasal bone fully developed augmentation, this deformity will disappear. If you have a saddle nose or a low nose, it is more appropriate to have a rhinoplasty at the age of 18 or above, because the body development is basically set at that time. Restrictions The height, length and width of the nose should be in harmony with the whole face, which also determines the aesthetic ratio of the nose to the face, generally speaking, the height of the nose job for oriental people should not exceed 4 mm. If the rhinoplasty exceeds the limit, it will present an “elephant” nose, and the nose will sway from side to side. In addition, too many implants will make the nose skin taut and thin. 3, facial wrinkle surgery “best age” and “restrictions Best age The appropriate age for facial wrinkle removal is 30-60 years old, if the wrinkle is removed by injection, it is best not to exceed 30 years old, because most people begin to lose the collagen that keeps the face plump at this age. Restrictions Botox is one of the commonly used materials for wrinkle reduction, but it is important to note that the amount of Botox is not as much as possible, too much may turn your face into a “plastic face” and affect facial expressions. Generally speaking, an injection of Botox should not exceed 100 units at most. 5. The “best age” and “limit” of liposuction surgery The best age for liposuction surgery is generally between 20 and 50 years old, minors in the growth period should not perform liposuction, if the age is too high, the body function is poor, increasing the risk of surgery. It is also important to remind that people suffering from severe coronary heart disease, hypertension, pulmonary insufficiency, diabetes, and coagulation mechanism disorders should not undergo liposuction surgery. Restrictions Liposuction can create a beautiful body, but some candidates ask the doctor to extract more fat in order to make their body more beautiful quickly. In fact, there is a safety limit on the amount of fat that can be extracted, and it should not exceed 4000 ml at a time. Excessive extraction will increase the riskiness of the procedure.