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L'Oréal Professionnel Keratin Alpha Sleek Hair Serum is a leave-in, heat-activated serum that helps smooth hair, control frizz and deliver glass-like shine while providing heat protection up to 230°C. The formula contains a 5% Keratin Sealer complex and is applied to damp hair before blow-drying or flat-ironing for optimal results.

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Keratin

L'Oréal Professionnel Keratin Alpha Sleek Hair Serum is a leave-in, heat-activated serum that helps smooth hair, control frizz and deliver glass-like shine while providing heat protection up to 230°C. The formula contains a 5% Keratin Sealer complex and is applied to damp hair before blow-drying or flat-ironing for optimal results.

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Highlighted Ingredients

Keratin

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