Laser Hair Removal Advantages & Disadvantages
Laser Hair Removal Advantages & Disadvantages
Introduction:
Laser hair removal is a popular cosmetic procedure designed to remove unwanted hair using focused beams of light. It offers a long-term solution for individuals who want to reduce or eliminate hair growth in specific areas of the body. This procedure has gained widespread acceptance due to its effectiveness, minimal discomfort, and relatively low risk of side effects compared to traditional methods such as shaving, waxing or plucking.
Table of Contents
Laser Hair Removal Advantages & Disadvantages. 1
1:- Targeting Melanin(Say: MEL-uh-nun): 2
What is the function of melanin?. 2
What are the two types of melanin?. 2
What is melanin in biology?. 3
2:- Selective photothermolysis: 3
What is the principle of selective photothermolysis?. 3
How does photothermolysis work?. 3
Who proposed the theory of selective photothermolysis?. 3
What is the theory of selective photothermolysis?. 3
What is Fractional Photothermolysis?. 4
What is the extended theory of photothermolysis?. 4
What are the side effects of photothermolysis?. 4
Is laser hair therapy safe?. 4
Best laser for hair removal?. 4
Why do you need several sessions of laser hair removal?. 5
How many laser sessions are too many?. 5
Why does laser hair removal take more than one session?. 5
Are 6 sessions of laser hair removal enough?. 5
Advantages of laser hair removal: 5
Possible side effects and precautions: 6
How laser removal works:
1:- Targeting Melanin(Say: MEL-uh-nun):
Laser hair removal works by targeting the melanin pigment in the hair follicle. The laser's concentrated light energy is absorbed by the melanin, damaging the hair follicle and preventing future hair growth.
What is melanin?
Melanin is a multifaceted polymer resulting from the amino acid tyrosine. Melanin is present in varying degrees in human and animal skin, and is responsible for your unique eye, hair and skin color.
What is the function of melanin?
In its various forms, melanin fulfills a variety of biological functions, including skin and hair pigmentation and photoprotection of the skin and eyes. Skin coloring is produced by the buildup of melanin-containing melanosomes in the basal layer of the epidermis.
What are the two types of melanin?
Mammals have two types of melanin, the brown-black eumelanin and the reddish-yellow pheomelanin. Eumelanin and pheomelanin are present in human hair and this study was conducted to see if both pigments are also present in the human epidermis.
What is Class 9 Melanin?
Melanin is a pigment produced by cells called melanocytes in the skin of most animals, including humans. Eumelanin is the most common form of melanin and is brown in color. The other primary form is called pheomelanin, which produces the reddish-brown color often associated with freckles and red hair.
What is Class 10 Melanin?
Melanin is the pigment that stretches color to the casing, hair and eyes. Dark-skinned persons have more melanin in their skin than light-skinned people. It is a protein that is produced when the melanin-producing genetic factor in the DNA is started.
What is melanin in biology?
Melanin is a substance in the skin that produces pigment. The amount of melanin in each person's skin is different. Melanin changes are caused by genetics and other factors.
2:- Selective photothermolysis:
This process, called selective photothermolysis, selectively targets dark, coarse hair and leaves the surrounding skin unharmed.
What is the principle of selective photothermolysis?
The energy of the optical radiation is absorbed as much as possible by specific molecules (chromophores) in the corresponding target structure. The chromophores release the absorbed energy in the form of heat to the surrounding tissue.
How does photothermolysis work?
Selective photothermolysis is a precision microsurgery that connects blood vessels used to target tissue in a specific area. It matches specific wavelengths of light and heats the tissue and destroys it with a laser without affecting or damaging the surrounding tissue.
Who proposed the theory of selective photothermolysis?
In 1983, Anderson and Parrish described the theory of selective photothermolysis, which revolutionized laser therapy by describing a mechanism for damaging local tissue while sparing surrounding tissue.
What is the theory of selective photothermolysis?
Selective photothermolysis (SPT) theory was introduced over 35 years ago for laser treatment of pigmented lesions, hair removal, vascular lesions, tattoos and skin resurfacing. SPT theory suggested that the duration of the laser pulse should be less than or equal to the thermal relaxation time of the target (TRT).
What is Fractional Photothermolysis?
Small photothermolysis (FP) makes collections of microscopic thermal cuts is known as microscopic treatment zones (MTZs) at specific depths in the skin without injuring the surrounding tissue.
What is the extended theory of photothermolysis?
(Intense Pulse Light (IPL) and the Extended Theory of Selective)...
The expansion theory is a principle that indirectly damages the target tissue through the diffusion of heat from a heat-generating chromophore (heater) (Fig. 9.4). Therefore, the thermal relaxation time (TRT) described in selective photothermolysis does not apply to the expansion theory, but instead the thermal damage time (TDT) applies.
What are the side effects of photothermolysis?
Other frequently reported post-treatment side effects were transient and included facial edema (82%), dry skin (86.6%), flaking (60%), a few (one to three) small, superficial scratches (46.6 %), bruises (46.6%) were included. 37%, and bronze (26.6%).
Is laser hair therapy safe?
Low-level laser therapy—also called red light therapy and cold laser therapy—irradiates photons into the tissues of the scalp. These photons are absorbed by the weakened cells to stimulate hair growth. It is widely accepted that this procedure is safe, tolerable and less invasive than hair transplant surgery.
Best laser for hair removal?
Hair Removal Treatments That Famous Work?
- IPL (Intense Pulsed Light)
- Diode Laser Hair Removal
- Alexandrite Laser Hair Removal.
- Nd and LP Nd: YAG.
- Ruby Laser Hair Removal.
IPL
DIODE
DIODE front
Alexandrite Laser Hair Removal.
Nd and LP Nd:
Ruby Laser Hair Removal.
Ruby Laser sytem
3:-Multiple sessions:
Because hair grows in cycles, multiple laser treatment sessions are usually required to achieve optimal results. These sessions are spaced several weeks apart to target hair at different stages of growth.
Why do you need several sessions of laser hair removal?
Laser hair removal goals hair cavities during their development stage, also called the anagen phase. Though, not all hair follicles are in the similar phase at the same time. That is why some sessions are essential to efficiently treat all the hair in a given area.
How many laser sessions are too many?
Recommended laser hair removal treatment intervals
Most specialists decide that multiple sittings are essential for best results. In over-all, it is suggested that customers come in for 4 to 6 treatments spaced 4 to 8 weeks separately.
Why does laser hair removal take more than one session?
Hair growth cycles
All hair follows a basic three-part growth cycle: your active phase, the transitional phase, and the resting phase. Your individual hair follicles all follow their own schedule, which is why several sessions are needed to ensure that you are completely hair-free by the end of your treatment plan.
Are 6 sessions of laser hair removal enough?
Most patients require 2 to 6 laser treatments for hair removal. After completing the treatment, most patients do not notice any hair on the treated skin for months or years. When hair grows, it decreases.
Advantages of laser hair removal:
- Precision: Laser technology allows precise targeting of hair follicles, ensuring effective hair removal while minimizing damage to surrounding skin.
- Long-lasting results: Although laser hair removal is not permanent, it offers long-lasting results compared to temporary hair removal methods such as shaving or waxing.
- Hair loss: Laser hair removal can help reduce hair growth a common problem associated with other hair removal techniques.
- Time and cost efficiency: Over time, laser hair removal can be more cost-effective than regular waxing or shaving, as it reduces the need for frequent maintenance.
Possible side effects and precautions:
- Temporary discomfort: Some individuals may experience temporary discomfort during laser treatment, often described as a warm or tingling sensation.
- Skin sensitivity: Laser hair removal may cause temporary redness, swelling or irritation in the treated area, especially for people with sensitive skin.
- Risk of skin damage: Rarely, laser hair removal poses a risk of skin damage, including burning, scarring, or skin discoloration. Selecting a fit and knowledgeable practitioner can help minimize these risks.
- Not suitable for everyone: Laser hair removal may not be suitable for people with certain skin types or medical conditions. Consultation with a qualified practitioner is essential to assess candidacy and potential risks.
Result:
Laser hair removal offers a safe and effective solution for those looking to reduce unwanted hair growth. With advancements in technology and techniques, it has become a widely accepted cosmetic procedure with minimal downtime and long-lasting results. However, it is important to understand the potential risks and precautions associated with the procedure and to consult with a qualified practitioner to determine the most appropriate treatment plan for individual needs.
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