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long pulsed laser hair removal pernament hair removal etc
Long Pulse Hair Removal Laser
I. General Introduction
1. Development:
Excess facial hair or fine hair on the human body to plague
millions of women, a growing number of men because of too much body
hair and embarrassed by it. Over the years it has tried a variety
of methods, shaving razor scraper, wax off, and the intake of
chemical hair removal cream, but they are only temporary solutions, electro-acupuncture
effective relative to gross, but the treatment of pain patients
Difficult to accept. In the 90’s, with the clinical application of
laser technology and the development of laser hair removal to facilitate their rapid, safe and efficient removal of excess
hair characteristics become the principal means.
Vein in the leg, telangiectasia, vascular tumors and facial
wrinkles is also troubled by long-term patients with the disease,
however, the use of long-pulse laser can be very good treatment of
such diseases, It is a better selection of treatment.
2. Specification:
Wavelength: 1064nm, 532nm (telangiectasia, the treatment of
hemangiomas)
Energy density :0-600J / cm2
Pulse width : 1-30ms
Pulse mode: a number of synchronization pulses
Repetition rate: 0.5Hz, 1Hz, 2Hz (low energy can be adjusted to the
time 2Hz)
Spot size: 5mm, 8mm
3. Features:
A. The best-wavelength laser:
Laser hair removal must satisfy two important conditions;
For the first: laser hair follicles have been able to fully absorb
the organization;
Second: the laser can effectively pass through the skin to reach
the location of the hair follicle. Long-pulse laser’s wavelength is
1064nm, It is a spectrum of near-infrared region, and better
absorption of melanoma at the same time to penetrate the deep
dermis and subcutaneous fatty tissue, in different parts of the
role and depth of the hair follicle, effectively removing any parts
of the human body and depth of the hair. As for the result of the
leg veins, telangiectasia, vascular diseases such as tumors of the
target tissue - oxyhemoglobin, the use of selective absorption of
the target tissue, long width pulsed laser pulse width Principles,
making relaxation in the thermal effect of pre-time Treatment to
reach target tissue.
B. Adjustable long pulse width: It can protect the normal skin while removing different
types of pigment diseases
Best result of hair removal connect with the pulse width and thickness of hair. Coarse hair the
more necessary for the role of laser longer, thelong pulse laser pulse width is from 1 ms to 30 ms, It can obtain the desired
effect of hair removal, At the same time, It can effectively protect the skin from heat
damage.
It can effectively penetrate the hair follicle to the site, the
wavelength of the laser is around 1064nm, in the near-infrared
spectral region, the absorption of melanin in the hair follicle,
resulting in selective destruction, so that the hair follicle
degeneration, shrinking to the role of permanent hair removal And
therefore the more coarse black hair and Vietnam, its hair
follicles bigger, deeper melanoma, it's more acceptable to the
laser damaging effects, the better it is, on the contrary more
valuables hair color shallow consequential effects of the poor,
white hair as a result of Hair follicle-free treatment of melanoma
and therefore null and void.
The vein in the leg, telangiectasia, hemangioma is the same reason.
C. No pigmentation of the most suitable for Asian skin:
Laser through the skin on the role of the hair follicle, epidermal
basal cell layer of melanin to absorb the laser energy produce
inflammation, caused by postoperative skin pigmentation, which will
last ten days pigmentation, would adversely affect the effect of
beauty. Asians who belong to the non-ferrous Species, epidermal
melanin content in larger, traditional IPL hair removal, which is particularly inflammatory. The long-pulse laser thermal relaxation of the use of pre-time effects in the
role of the skin, can lower the energy output under the premise of
hair to achieve the objective of long-pulse laser deep penetration depth, the skin to absorb the laser energy
rarely, so Pigmentation is not easy to present itself.
4. The effect of hair removal connect with the hair growth cycle
Hair growth is divided into three periods: growth, recessive,
quiescent period. The different parts have different hair growth
cycle. Recessive of the hair quiescent has no significant role in
hair growth, and so only in order to play a role. Therefore, laser hair removal takes effect only after repeated obvious.
In the treatment, hair growth in the proportion of the smaller, the
number of treatment has to be more. the other hand, growth in the
proportion of more treatment, the better. If the scalp, beard, the
upper lip hair growth in the proportion is 85%, 70%, 65%. And Ye
Mao, bikini, is only 30% growth. In the chest, arms, legs hair
growth in the proportion of smaller, representing only 20 per cent.
This shows that the effects of good or bad hair, and hair growth
cycle and the number of treatment and treatment related to the
frequency.
5. The taboo of using laser to treatment hair removal :
Laser hair removall, doctors ask patients to detail the situation, any of the
following circumstances ban on laser hair removal :
A. There is a history of scar.
B. There is the treatment of patients infected area or a history of
herpes simplex infection.
C. Who had used other methods of hair removal (for example, wax off, light sensitive drugs) less than 6 weeks.
D. Pregnant women.
E. Brown skin.