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Keratin Alpha Sleek Professional Sulfate-free¹ shampoo by L'Oréal Professionnel, formulated with Keratin Sleeker and Amino-acid chains. The professional shampoo has a luxurious, ultra-creamy texture. When used with the full routine, it reprograms hair for up to 2 weeks of frizz control.² This sulfate-free¹ shampoo gently cleanses the hair fibre while smoothing and reinforcing hair keratin. It controls unwanted volume for daily styling in half the time ³, adding softness and instant shine that lasts up to 5 days.⁴ The gentle formula helps to protect hair from breakage and improves the hair’s softness from the first use⁴. Suitable for all hair types. ¹No sulphated surfactants. ²Consumer test on 68 participants, 1 application/week for 4 weeks. Based on a 15-day break observation. ³Instrumental tests with routine 4 times of Shampoo + Smooth Transformer + Leave-on. ⁴Instrumental test after 1 application of shampoo, mask & serum.
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