What are the best methods for permanent hair removal?
Dec 30, 2024
Source: Cainiu Health
Dr. Liu Wenmin
Introduction
Generally speaking, there is no single best method for permanent hair removal. Hair can be removed through methods such as laser hair removal, cryo hair removal, electrolysis, photonic hair removal, and radiofrequency hair removal. It is recommended to visit a reputable hospital and undergo these procedures under the guidance of a qualified physician to ensure safety and effectiveness. After hair removal, it is important to keep the treated area clean and dry, and avoid washing with hot water.
Generally speaking, there is no single best method for permanent hair removal. Hair can be removed through methods such as laser hair removal, cryo (ice-point) laser hair removal, electrolysis, intense pulsed light (IPL) hair removal, and radiofrequency hair removal. Detailed explanations are as follows:
1. Laser Hair Removal
Laser hair removal is based on the principle of selective photothermolysis. A specific wavelength of laser penetrates the epidermis and is absorbed by melanin in the hair follicles. The light energy is converted into heat energy, causing a sharp increase in the temperature of the hair follicles, thereby damaging critical structures such as follicular stem cells, which inhibits hair growth. The typical reference price for laser hair removal is 300-800 yuan per session. Noticeable improvement is usually seen within 6-8 weeks after treatment, although side effects such as redness, swelling, and blisters may occur.
2. Cryo (Ice-Point) Laser Hair Removal
Cryo hair removal incorporates a cooling system into the laser hair removal process, maintaining a low epidermal temperature before, during, and after laser emission. This reduces pain and thermal injury during treatment while still utilizing the photothermal effect of the laser to damage the hair follicles. The typical reference price for cryo hair removal is 300-900 yuan per session. Noticeable improvement is usually seen within 1-2 months after treatment, although side effects such as mild redness, swelling, and pigmentation may occur.
3. Electrolysis Hair Removal
Electrolysis involves inserting a very fine metal needle into the hair follicle and passing a low-intensity direct current through it, causing an electrolytic reaction that damages the follicle and surrounding hair-generating cells, achieving permanent hair removal. The typical reference price for electrolysis is 200-600 yuan per session. Noticeable improvement is usually seen within 1-3 months after treatment, although side effects such as pain and infection may occur.
4. Intense Pulsed Light (IPL) Hair Removal
IPL hair removal uses broad-spectrum pulsed light to irradiate the skin. Melanin in the hair follicles preferentially absorbs the light energy, generating heat that damages the follicles. Additionally, the photothermal effect can stimulate collagen production, resulting in smoother skin. The typical reference price for IPL hair removal is 250-600 yuan per session. Noticeable improvement is usually seen within 2-3 months after treatment, although side effects such as mild redness and warmth may occur.
5. Radiofrequency Hair Removal
Radiofrequency hair removal works by delivering RF energy to the hair follicles, causing water molecules within the follicles to rotate and vibrate rapidly, generating heat through friction, which damages the follicle structure and inhibits hair regrowth. It also has a mild stimulating effect on collagen production in the skin. The typical reference price for radiofrequency hair removal is 300-800 yuan per session. Noticeable improvement is usually seen within 1-3 months after treatment, although side effects such as temporary redness, swelling, and mild pain may occur.
It is recommended to visit a reputable hospital and undergo these procedures under the guidance of a qualified physician to ensure safety and effectiveness. After hair removal, keep the treated area clean and dry, avoid hot water baths or vigorous rubbing, protect against sun exposure, and refrain from using irritating skincare products or cosmetics for a short period.
