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Amazon.com: Keratin Express Extra Smoothing Treatment up to 6 weeks, 4 fl oz for Fine Hair. For Course Hair Use Keratin Express Plus. Do not use it on Pregnant Women and Children;
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Amazon.com: Keratin Express Plus 8 fl oz Smoothing Treatment Professional Hair Treatment up to 12 weeks. Do not use it on Pregnant Women, Children and Nursing. This product contains Formaldehyde.
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