It definitely helps your hair feel softer and smoother as a treatment (particularly after bleaching), but I am unsure if it actually helps to lock colour in.
Works perfectly on my bleached highlights. Hair is softer and easier to brush. Works well especially with consistent use and is a great price. Smells amazing as well.
I have blonde (bleached), thin and frizzy hair. This serum does the basics of smoothing my hair after a straighten. Would be 5 stars if it had heat protection in it!
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