How Many Laser Hair Removal Treatments do I need?:

 In Laser Hair Removal

How Many Laser Hair Removal Treatments do I need?:


A common question asked of clients is how many laser hair removal treatments will they need? There are a number of considerations to be aware of in order to maximise your results. These will allow for the most effective hair-free results in the quickest amount of time.

The variables that will affect how many laser hair removal treatments you will need will depend on your:

  • Hair type, Hormones, Age & Hair Colour
  • Hair Stage & the Area


Different hair types, hormones and age:

The body consists of various types of hair, all of which have different evolutionary functions and cellular construction. Different areas of hair throughout the body often grow at different speeds and lengths. A good example of this would be the difference between pubic hair compared with head hair.

Additionally, hormones can play a role in the development of different types of hair. And we’re not just talking about during puberty. People who are on the contraceptive pill may develop hirsutism which can cause an increase in hair growth. The potential for excess hair growth can also be seen in people who are taking steroids, have endocrine issues, polycystic ovary syndrome, or people on HRT. Age plays a part in unwanted hair too given the association with hormonal changes. Women going through menopause may experience extra hairs on the chin, lip, abdomen, upper lip or even a beard.

The reason it is important to be aware of these issues is that they can interfere with the treatment outcome. If any of these apply to you it’s possible your laser hair removal results will be compromised. You need to be aware of these as they will affect how many laser hair removal treatments you will need.



Hair Stage & treatment areas:

Hair grows in 3 main stages called anagen, catagen and telogen. The anagen stage is the growth phase which determines how long the hair will ultimately become. This lasts for approximately 3-5 years per hair follicle. At the end of this the hair then enters the catagen phase which lasts for about 10 days. The last phase is the telogen phase which is a resting state of the follicle and remains inactive for 3 months. At which point the process is repeated.

The laser is only able to disable the hair follicle when hair is in the anagen stage (or growth stage). At any point in time up to 20% of hairs are in the catagen and telogen stage. So even though we are treating all of the existing visible hairs, 20% is currently lying dormant. In order to treat the area effectitively we need to account for these growth and dormancy cycles This is why we recommend treatments every 4-8 weeks to ensure a suitable overlap and a greater treatment outcome. If you miss a treatment you run the risk of not being able to treat that area again if it returns to the catagen or telogen stages. This makes it difficult to treat 100% off the hair.

A reduction in unwanted hair by 80% is a realistic outcom.




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