When Not To Perm

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• When the scalp is damaged or the skin broken/damaged.
• When the hair is in poor condition.
• When the overall porosity of the hair is too high – over-bleached.
• In the presence of metallic salts, for example, Grecian 2000.
• When the hair has poor elasticity.

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Tip:
Always test the hair to check that it is safe to carry out perming.