To human, the hair is born, but besides the hair, the hair of other parts of the body is a kind of “burden” to schoolgirl, especially summer, the trouble of hair of hand wool, foot wool, armpit hair is more and more outstanding, but the beeswax that uses in real life, shaving knife, depiliatory cream cannot purify hair permanently. According to the survey, 85% of girls have body hair trouble, while 92. So a lot of people started working on laser hair removal.
But what do you know about laser hair removal?
The truth about skin
1. What is laser hair removal?
Laser hair removal refers to the laser instrument to emit a certain wavelength of laser, selective action on the root of the hair follicle, absorption of energy, the hair follicle is destroyed, resulting in hair follicle completely off, so as to achieve the effect of hair removal.
2. Can laser hair removal be completed at one time?
Laser hair removal is not clean, mainly because the hair has three growth cycles, that is, growth period, regression period and rest period. Laser hair removal, only at the root of the hair follicle cells in the growth period, so that its loss of growth ability. As for hair in the degenerative and resting stages, the laser does not effectively target the hair follicle cells and can only temporarily remove the hair. Therefore, permanent hair removal needs to be treated according to the course of treatment. In general, a complete laser hair removal course requires at least 3-5 sessions, 4-6 weeks apart. The effectiveness and duration of the course will vary slightly depending on each person’s hair color, characteristics and growth cycle.
3. Which parts of hair can be removed with laser?
In general, thick hair on the hairline, armpit hair, lip hair, beard, bikini, limbs, chest hair, back hair, etc. can be removed with laser. But as a result of the thickness of different parts of the hair, thickness and regeneration ability is different, the specific situation of different parts of the hair according to the laser of different energy and different visit. In general, the thicker the hair, the thicker the position of the hair shaft, the more laser energy is required and the more times the hair is removed.
4. Can laser hair removal damage the skin?
Someone said: “laser hair removal, so big laser will hit the skin, burn the skin?” With the development of laser hair removal technology, current laser devices have a cooling device on the laser head that cools the surrounding skin as it strikes the hair follicle, so it usually doesn’t burn the skin.
5. Will laser hair removal affect sweating?
No, even if the hair follicle is completely removed, the sebaceous glands of the hair follicle are still in place, so the product of the skin gland secretion, sebum, can still be excreted normally. Sweat is expelled from the ducts of the sweat glands, independent of the ducts of the hair follicle. For example, the palms don’t have hair follicles, but they sweat. Ok, so far, laser hair removal of small knowledge are mastered?