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Why does hair growth cycle affect the number of treatments?

April 26, 2017affect CYCLE growth hair treatments

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Why does hair growth cycle affect the number of treatments?

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There are three growth cycles: active (anagen), regression (catagen) and resting (telogen). The laser energy targets the hair in the active (anagen) hair growth cycle only. Repeated laser hair removal treatments are needed to ensure that as hair enters the active stage it will be treated.