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There are many methods of depilation, but depilation cream and laser depilation are relatively good, so which is better, depilation cream and laser depilation?
Depilatory cream: the effective ingredients in the cream corrode the hair through the chemical principle, making the hair gradually brittle and soft, so as to achieve the function of dissolution. The product also contains factors that inhibit hair growth, which can delay the growth rate of hair. So the effect is temporary hair removal.
Among the depilation technologies so far, laser depilation is the best method, which is safe and fast. Every time it is completely depilated, 2-3 after this treatment, all excess hair can be removed very cleanly. The old method is painful and the effect is not very clean, but laser hair removal is very popular and very safe.
The skin of human body is a relatively transparent structure. In front of powerful laser, the skin is just a piece of transparent cellophane. Therefore, the laser can pass through the skin very smoothly and reach the hair follicle (the part where the hair grows). Because there is a lot of melanin in the hair follicle, it can first absorb a large amount of laser energy and finally convert it into heat energy, so as to increase the temperature of the hair follicle and destroy the function of the hair follicle.
In this process, because the skin does not absorb laser energy or absorbs a small amount of laser energy, the skin itself will not be damaged. In addition, the cooling device for protecting the skin is installed on the laser treatment head, so the skin will not be damaged during hair removal treatment, so there will be no abnormal pigment or scar reaction.
There are three periods of hair growth: growth period, stationary period and degenerative period. Only when the hair follicle is in the growth period, there will be a large number of pigment particles in the hair follicle and can absorb a large amount of laser energy. Therefore, the laser can remove the hair in the growth period, while the hair pigment in the degenerative period and stationary period is relatively small, so the therapeutic effect of laser is relatively weak. For this part of hair, laser removal can only be carried out after they slowly change to the growth period, so laser hair removal treatment can not be successful at one time. It usually requires multiple continuous laser irradiation (the interval between two treatments is 3 ~ 6 weeks) to achieve the ideal effect.