Laser hair removal quickly won the trust and sympathy of women and men who experienced discomfort from constantly growing hair on a particular area of the skin. The biggest plus of the – its effectiveness: after passing the required number of procedures (varies depending on the choice of zone and individual characteristics), the hair falls out and cannot grow back due to the absence of a hair follicle. We will tell you what ensures the maximum effectiveness of laser hair removal, as well as the important features of the procedure.
Laser hair removal – what determines the effectiveness of the procedure
Laser hair removal, regardless of the laser used (read more), is based on the principle of selective thermolysis, i.e. selective thermal destruction. To understand how the laser "chooses" which bulbs to destroy, it is necessary to understand the structural features of the hair follicle (bulb).
The bulb is the root of the hair and the root sheath, which surrounds the root from all sides. The sebaceous glands (sometimes together with the sweat glands) are attached to the bulb.
The hair shaft consists of:
• internal medulla (except for vellus hair);
• cortical substance (located in the middle);
• cuticle (outer shell).
The bulk of the hair – namely the cortical layer (about 90%), which contains keratinized cells and melanin (pigment), which gives the hair color. Lack of pigmentation in some areas of the hair makes laser hair removal difficult. It is very important during the procedure to destroy the hair papilla – a structure formed from blood vessels and connective tissue. The papilla is responsible for hair growth. If this structure cannot be destroyed, the hair will certainly grow back.
The role of equipment and adherence to recommendations in the effectiveness of laser hair removal
In order for the effectiveness of laser hair removal to be high, it is necessary:
• choose the right equipment (laser);
• carry out the procedure without deviating from the recommendations of the equipment manufacturer;
• before the procedure, follow the general recommendations;
• provide special skin care after visiting a salon or clinic.
As for laser hair removal equipment, alexandrite lasers are considered to be the best in this category. The light wavelength (755 nm) is perfectly absorbed by the hair pigment, penetrates deep into the skin, heating the bulb to the temperature necessary for destruction and without damaging nearby tissues and skin structures. The pulse duration is selected in accordance with the size of the follicle and its thermal relaxation time (20-100 ms). Relatively light and thin hair can be removed with an alexandrite laser. However, it is important to understand that due to the lack or absence of pigment, the removal of gray, vellus or very light hair is not possible.
Also, the result of laser hair removal depends on:
• hair and skin colors;
• anatomical location of the hair;
• type and density of hair;
• hormonal factor.
Recommendations before laser hair removal:
1. For a month, it is not recommended to sunbathe (the lighter the skin and darker the hair, the higher the effectiveness of the procedure), plucking hair or resorting to waxing (without a hair shaft, the follicle may not collapse). Shaving and waxing are allowed.
2. The day before the procedure, the hair is shaved with a regular razor.
3. Patients with a violation of the integrity of the skin, burns in the treated area, infections (especially herpes), diabetics, pregnant and breastfeeding patients, as well as cancer patients are not allowed to the procedure.
Exemplary Hair Reduction Scheme:
• after the first procedure – around 30%;
• after three–four procedures – about 40–70%;
• further results are corrected gradually – in accordance with the regrowth of hair, the bulbs of which have not been destroyed.
After laser hair removal:
• within a day after the session, the ingress of moisture on the treated area should be excluded;
• for three days you will have to give up massages and visits to baths (the same applies to hot baths);
• skin care should be in accordance with the instructions of the specialist and carried out by means selected by him.
In general, if the patient follows all the recommendations before and after laser hair removal, and the doctor responsibly approaches the selection of high-quality equipment in accordance with the type of skin and hair of the patient, laser hair removal is a very effective method of getting rid of hair in one or more areas body. Main – choose the right clinic and strictly follow the instructions of the professional.
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