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What if there is no new growth because of recent chemical coloring or perming?

April 26, 2017chemical coloring growth perming recent

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What if there is no new growth because of recent chemical coloring or perming?

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It is best to wait until new growth is available–hair grows approximately 1/2 inch per month. If an analysis is needed before then, save as much new growth as possible from the roots and take samples from additional places.