I have been a dyed red head on/off for nearly 10 years and tried almost every brand of colour preserve products out there. But always the vibrsncy would dull to a basic auburn after a week or so. This is the ONLY line that is keeping me bright so I don't have to do a full all over tint every root touch up. It also cleans my greasy hair while still keeping it non-fried from over processing. I live for this stuff! Lol.
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