Human body hair, sometimes the human body plays a beautifying role, but there are some parts of the hair is too dense, too long indeed also bring inconvenience to life or trouble, affecting beauty, and sometimes even lead to some skin infections, such as women’s body hair on the extremities is too long, to the summer exposed to the outside, does not look very beautiful, women’s armpit hair is too dense, too long, summer affects the dress, some men’s beard is too dense, repair every day is very time consuming, sometimes also accompanied by folliculitis, etc.. Sometimes it is also accompanied by folliculitis, etc. Therefore, with the improvement of living standards, people have higher requirements for the hair on various parts of the body, and need to do some appropriate treatment. In the past, the body hair is too long, to cover up, only with razor shaving or hair removal to remove, these methods do not destroy the hair follicle of the hair papilla, the result is shaved and up, off and up, and the more hair grows, the more thick, the more dense, and now we can achieve the purpose of permanent hair removal through laser hair removal.
A, the principle of laser hair removal
Laser hair removal is based on the principle of selective photothermodynamics, through reasonable adjustment of laser wavelength, energy, pulse width, so that the melanin of the hair follicle in the hair stem selectively absorbs light energy, resulting in thermal effect to destroy the hair papilla, that is, the hair growth of the “root”, the soil destroyed, so the hair will no longer grow. Since the process of heat absorption and necrosis of hair follicles is irreversible, laser hair removal can achieve the effect of permanent hair removal. Since there is no melanin in the sweat glands and the skin color is not as dark as the hair, it will not damage the sweat glands and skin.
Second, the advantages of laser hair removal.
1.Little pain: the clinical results of thousands of cases show that most patients only feel the feeling of “being bounced by rubber band”.
2.Thorough hair removal
3, will not harm the skin and sweat gland tissue
4.Fast hair removal speed
Three, the number of laser and efficacy
Laser hair removal generally requires three to four times of treatment to complete the course of treatment, individuals even more times, the interval of treatment time is 1-1 and a half months.
Because the growth of hair goes through three stages: anagen, regression and rest. The hair in the anagen follicle has melanin, so the laser mainly plays a destructive role on the anagen follicle; while the hair in the regressive follicle has less melanin, and the hair in the resting follicle has no melanin, so the laser has no therapeutic effect on it, only when the resting hair turns into anagen hair, the laser has a therapeutic effect on it; because these three growth cycles of hair exist at the same time, so to achieve a more complete hair removal must After several treatments. The specific number of treatments is related to the skin, the type of hair and other factors.
Four, laser hair removal before precautions
1, do not use hair removal cream, hair removal cream and other cosmetics.
2, the parts to be hair removal try to pay attention to avoid light, the whiter the skin, the darker the hair, the greater the amount of laser absorbed by the hair, the greater the amount converted into heat energy, the better the damage to the base of the hair papilla, the better the hair removal effect, and the whiter the skin, less melanin, the less the amount of laser absorbed, the less the damage to the skin.
3, pay attention to the cleanliness of the skin and keep the integrity of the skin.
Five, laser hair removal after the care
1.After the treatment, there may be slight skin flushing and burning sensation, which will be relieved after using ice.
2.On the day of treatment, avoid hot water scalding and hard scrubbing on the treatment area.
3.It is best to avoid light during the treatment interval to minimize skin pigmentation.
Six, laser hair removal treatment contraindications.
1, light allergy or scar body
2, suffering from hepatitis, syphilis, skin infection
3, blood diseases and coagulation mechanism disorders
4.Menstruating women and pregnant women