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Phases of the hair follicle

Hair follicle grows in three phases:

  • Anagen (growing phase)
  • Catagen ( resting phase)
  • Telogen (shedding phase)

At a particular time only growing follicles are targeted by the laser as they contain maximum melanin pigment and 70% hair in the resting phase continue to grow. A laser light would either destroy the growing follicle or may make it dormant. After an interval of 4-6 weeks (depending on the body part) 30% of hair would again fall in the growing phase and a repeat session would target these follicles. Therefore a number of sessions are required to attain maximum benefits.


Number of sessions

  • Maximum 8-10 sessions are required for optimum results.
  • In hormonal imbalance a medical line of treatment is suggested along with the laser. Number of sessions in such cases are definitely more and maintenance may be required.
  • The amount of reduction is about 60-80%.

Absolute Contraindications

  1. Epilepsy.
  2. Pregnancy.
  3. Treatment with Isotretinoin recently.
  4. Metal implants on the area to be treated.



Pulse Width –The time in which fixed quantity of energy is delivered measured in milliseconds.

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