How Long Does Laser Hair Removal Last?

Laser Hair Removal:

Laser Hair Removal is a medical procedure that is used to remove unwanted hair on your body. This procedure does not require any cut in your skin. The patient may get this treatment on any part of their body. Following are the common areas:

  • Face
  • Underarms
  • Bikini area
  • Back
  • Legs

How Does it Work:

This process usually uses photo-thermolysis. This process uses heat to destroy cells that have a lot of pigment or color. Photo-thermolysis is very effective on dark hair because they consist of a lot of pigment. This absorbs the most heat. As a result, hair transfer heat to the hair follicles and destroy them.

A hair follicle has to be in its growth stage or anagen stage. At these stages, the laser hair removal procedure works best. However, Follicles are in different stages at different times. Due to this, most people need multiple laser treatments.

Who can have Laser Hair Removal:

Anyone who wants to get rid of extra body hair can have laser hair removal treatment. It is actually a cosmetic procedure that may improve your appearance. In most cases, laser hair removal treats excess hair growth that is caused by:

  • Hirsutism (In women growth of Dark or Coarse hair)
  • Hypertrichosis (Growth of excess hair anywhere on bodies)

Who Should not have Laser Hair Removal:

Laser Hair Removal procedure must be avoided if the patient has the following conditions:

  • If the patient is pregnant
  • You are taking medication for acne treatment
  • if you have raised scars
  • you are suffering from skin cancer

How Long Does It Last?

How long does Laser Hair Removal Last? Laser hair removal can be used to remove unnecessary hair that grows on arms, legs, the face, and almost anywhere. There are some cases in which laser treatment provides long-term or near-permanent results after treatment. Some other patients might see a reduction in the thickness of hair and the quantity in which hair grows back. However, this treatment cannot guarantee permanent results. It only slows down your hair regrowth. This treatment effectiveness depends on many factors such as treated area, skin type, hormonal level, etc.

Phases of hair growth

Follicles are the cause of hair growth on your skin. Follicles are living organs inside our bodies. Each person may have about 5 million hair follicles. However, they will not develop later on. But the growth of hair varies as we age. Typically, human hair grows in four phases. Following are the phases of hair growth:

  • Anagen (Growing phase)
  • Catagen (Regression phase)
  • Telogen (Resting phase)
  • Exogen (Shedding phase)

Lasers treatment targets roots of hairs under the skin. That is why laser treatment only removes hairs during their growing phase. Furthermore, you need to take many spaced apart laser sessions before you begin to see some results.

Hair regrowth on the body:

Hair growth on your body goes through four phases at any given time. Due to these hair growth phases, you may see some hairs after laser treatment. That is why you need to repeat the laser session in the same area. Laser treatment reduces the amount of untreated hair after the completion of treatment. As a result, this will last for years.

Why does hair grow back? 

After facial laser treatment, your hair tends to grow back. You may see hair on the chin, neck, or upper lip area. However, this is normal as this is caused due to hormones or some ingredients in makeup.

Androgen may cause the hair follicles to reactivate. In some men, these androgens may cause hair regrowth. However, hormonal fluctuations may speed up stem cell development in the hair.

Your hair may grow on your body after laser hair removal. But your skin texture after laser treatment will be finer and lighter in color. Understanding the human body is very difficult due to its complexity. Emotion, lifestyle, diet, and physical condition may influence your hair regrowth.


Before the laser hair removal procedure, your hair will be trimmed to a few millimeters above the surface of your skin. Typically, medicine is applied before the laser procedure for numbing your skin. This medicine will nullify your pain during laser pulses. The latest laser equipment has the capability to adjust according to the skin color and thickness of your skin color.

Depending on the intensity of light that is used. You and your technician will require some appropriate gear for eye protection. The technician is also necessary to protect the outer layer of your skin with a special cooling device. As a result, this will help technician skin from laser.

After the completion of the laser procedure, you may be given ice packs or cold water to ease any discomfort you might face. Typically, your next treatment will be scheduled for four to six weeks later.