Injecting collagen can play the role of occupying space and filling. Collagen is a tissue substitute, which can fill thin and atrophic lips and achieve the purpose of lip augmentation.

2) Adaptation crowd and taboo crowd

① Adapt to the crowd

A. the lips are too thin;

B. people with atrophied, aging and thinning lips;

C. people who are dissatisfied with their lips and have the will to enrich their lips.

② Taboo crowd

A. those with positive collagen allergy test;

B. people with allergies and immunosuppressants;

C. People with autoimmune diseases or connective tissue diseases;

D. people who are allergic to lidocaine;

E. pregnant women, menstrual period and infant patients;

F. Patients with rheumatic diseases and other serious diseases.

3) Technical methods

① skin test: skin test can be done 4 weeks in advance before collagen injection. Allergic reactions often occur within a few days, usually starting from 72 hours and lasting for 4 weeks. The positive manifestations are erythema, induration, tenderness and swelling at the injection site, which may be accompanied by itching for more than 6 hours. Common symptoms include nausea and fatigue, and may be accompanied by rash, joint pain and muscle pain.

You need a supine or semi-supine position to support your head. Routine iodine tincture and ethanol disinfection, facial makeup should be cleaned first.

③ Local anesthesia was performed on the treatment site.

④ Injection: slow and even injection.

⑤ Massage: After injection, you need to wait for the doctor to gently massage locally, so that the collagen entering the skin is evenly distributed under the skin.

4) Injection of materials

Collagen injection lip augmentation is to mechanically fill the lips directly with collagen materials. Collagen is a natural protein, which widely exists in connective tissues such as animal skin and tendons. 1/3 of human skin protein is collagen. Long-acting collagen implant is a kind of skin filler, which can increase the volume of tissue in the skin by injection, thus playing the role of lip augmentation.

5) Risks and complications

① Local redness

Local redness is a common phenomenon, and physiological redness will disappear within 1-2 days. If it doesn't disappear in 3 days, you should go to the hospital for a follow-up visit and deal with it in time.

② local blood stasis

If the needle touches tiny capillaries during injection, there will be subcutaneous congestion, that is, bruising. Usually the bruising will gradually disappear within 1-2 weeks.

③ Infection

Postoperative temperature rise may cause infection, so you should go to the hospital as soon as possible for timely treatment.

④ Overinjection.

Excessive injections should be treated in hospital in time, some only need immediate treatment by doctors, and serious injections need to be taken out. It should be carried out in a regular hospital and should be fully communicated with doctors before operation.

⑤ Pigmentation

Under normal circumstances, pigmentation will occur if the injection is too shallow. If you don't pay attention to sun protection, pigmentation will also occur. /kloc-After 0/month, you can use the whitening mask for 4-6 times, and the pigmentation will be reduced or disappeared.

⑥ Local swelling

Swelling will appear after injection and disappear after 1-2 days. If it takes a long time, the possibility of infection will be ruled out.

⑦ retinal vascular occlusion

It is reported that the acute allergic reaction and retrograde after injection lead to retinal vascular occlusion and partial blindness in one eye.

6) Course of treatment and recovery time

① General injection marks can disappear in a few days, and slight redness and swelling will disappear in 24~48 hours or the same day; If you feel uncomfortable or have any problems with the plastic parts, it is recommended to discuss with the doctor or nursing staff at any time.

② The effect of lip augmentation after operation can last for 2~6 months, and multiple injections are needed to keep the lip shape. Generally, after one injection, it is injected again every 2~4 weeks.

7) Precautions

① Precautions before injection

A. persons with serious diseases and autoimmune diseases are prohibited;

B those who are allergic to lidocaine and penicillin, who are using immunosuppressants, and those with allergic diseases are prohibited;

C pregnant women and minors under 16 are prohibited;

D. If there is inflammation at the injection site, injection can only be carried out after the inflammation is cured.

② Precautions after injection.

A. Avoid the injection area when washing your face and taking a bath within one week after operation, and do not do facial mask skin care.

B avoid using irritating food and allergic food within 1 week after operation.

C after injection, some people may have short-term slight redness, tenderness or itching at the injection site, which are temporary phenomena and usually disappear naturally within one week after injection.

D. Avoid skin care and local massage within one week after operation.

Collagen collagen injection wrinkle removal is an indispensable part of maintaining normal activities of the body. At the same time, it is also a substance to keep the body young and prevent aging. However, with the increase of age, collagen in the skin will gradually decompose and die, and the skin surface will lose its support, resulting in skin wrinkles, relaxation and other problems.

After medical collagen is injected into the sunken skin defect, it not only has the function of supporting and filling, but also can induce the construction of the patient's own tissue, and the gradually generated new tissue will be in harmony with the surrounding normal skin, thus playing an orthopedic role, restoring normal appearance and achieving the effect of wrinkle removal and beauty.