principle
(Peeling process)
Laser skin replacement is to instantly remove skin cells and skin surface structure (dents on the skin) by vaporizing laser.
kind
In recent years, the popular carbon dioxide laser and erbium YAG laser belong to this kind of vaporization laser. Wound healing takes 65,438+00-65,438+04 days, and red melanin lasts about 3-6 months. Er: YAG laser can peel off the epidermis at most, and the skin heals quickly, and the postoperative pigmentation time is shortened and the thermal damage is small.
Simply put, carbon dioxide exfoliation is active and fast, but the relative skin recovery time is long; Erbium Jacques laser is milder and faster to recover, but it is not as effective as carbon dioxide laser for deep wrinkles or acne scars.
price
Foreign countries generally charge 200-300 yuan RMB per square centimeter.
merits and demerits
Dermatization of dermal scar has a good effect, but after operation, the skin is easy to turn red and black, and it takes several months to recover, and it is also easy to have sequelae of pigment change. Therefore, it is necessary to maintain the skin patiently, which makes many people love and hate.
Pocket pits can only be partially improved. The effect of laser skin changing in Asia is not as good as that in the West. After treatment, the probability of uneven pigmentation is very high. The skin may be red and pigmented, and it will gradually decrease after a few months. The course of treatment is very expensive, although the whole area is only over 10 thousand yuan. Moreover, postoperative care is complicated, which is not practical for students and people who need to work.
Another advantage of laser dermabrasion is that doctors can control the depth of dermabrasion, which can reach the deep dermis. A successful laser dermabrasion can improve acne scars by about 50% to 70%. However, because many doctors are afraid of the side effects of postoperative skin redness and pigmentation, they have to grind it very shallowly, sacrificing the curative effect, which leads patients to complain that dermabrasion is ineffective.
The skill and experience of doctors determine the medical effect, but good doctors are hard to find.
Matters needing attention
Because laser dermabrasion has a great degree of side effects, in order to avoid medical disputes, you must reach an understanding with the doctor before treatment and ask what kind of problems you have, about the depth of dermabrasion, possible side effects, rehabilitation period, several courses of treatment, etc. These should be confirmed.
Sunlight will make pigmentation more serious. Therefore, supplementing vitamin C tablets within 2-3 weeks after laser dermabrasion is a necessary measure to completely avoid sunburn and reduce pigmentation. Although pigmentation is annoying, it is gratifying that it is only a temporary phenomenon and will gradually fade away in about three months. Don't worry too much. Other rare side effects, such as wound infection, can be improved by taking medicine under the guidance of a doctor.