I. Generation of wrinkles on the face and neck As the years go by, wrinkles creep up on people’s faces. For women, after about 25 years old, small wrinkles begin to appear on the skin around the eyes. They are especially noticeable when smiling. With hydration or eye care, wrinkles will disappear. Wrinkles reappear in cases of dehydration or with rich expressions. After about 30 years of age, sagging of the eyelid skin begins to appear. Without normal rest and sleep and regular eye care, there is a gradual narrowing of the heavy lid line, a sac-like protrusion of the lower lid skin, and a tear trough visible medially. The laxity of the eyelid skin is further aggravated after about 40 years of age, gradually forming triangular eyes and lower eyelid pouches, with a lid-cheek furrow visible on the outer side of the lower lid. The nasolabial folds are obvious. The eyebrows droop, and the Chuan-zhi lines are faintly visible between the eyebrows. After the age of 50, the skin of the jaw, chin and neck appears to sag and the tip of the nose becomes flat. The nasolabial folds can be seen at the wrinkles. The company’s main business is to provide a wide range of products and services to its customers. Hepburn’s youth, middle age and old age The pathological changes of skin aging are the root cause of wrinkles, skin aging is closely related to genetics, age (natural aging, also known as chronological aging) and ultraviolet radiation (photoaging). The main pathological changes of skin aging are skin thinning, elasticity reduction, subcutaneous tissue atrophy, deep soft tissue structure sagging, muscle and its attachment area structure progressive atrophy, etc. The skin of infants and young people has about 70% of type I collagen and 30% of type III collagen. When the skin ages, the two ratios are reversed. Second, the classification of facial wrinkles 1, natural wrinkles: also known as postural wrinkles, such as neck lines, and subcutaneous fat accumulation, but with age, wrinkles deepen, sagging skin between the lines 2, power wrinkles: due to long-term contraction of expression. Forehead horizontal lines, crow’s feet, between the eyebrows, Sichuan lines, nasal root horizontal lines 3, gravitational wrinkles: on the basis of skin and its deep surface tissue relaxation, formed due to the role of gravity. Such as triangle eyes, lower lid bag 4, mixed wrinkles: a variety of causes, complex mechanism, such as decree lines, perioral fine lines, etc. 3, the prevention of facial and neck wrinkles 1, maintain good habits: regular living, pay attention to exercise, normal diet, maintain a happy mood. 2, pay attention to maintenance and skin care, reduce the damage to the skin. 3.Wrinkle removal surgery: Through the existing medical cosmetic technology, the original wrinkles can be smoothed out and the deeper wrinkles made shallow through wrinkle removal surgery. The sagging skin will be lifted and tightened. Botulinum toxin injections are effective in correcting power wrinkles and can prevent pseudo-power wrinkles from turning into real wrinkles. Relatively speaking, younger patients have better results with shorter recovery time and less swelling; older patients have longer recovery time for wrinkle removal surgery.