"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Unlike masks or deep conditioners, which are more of a weekly treatment, the best leave-in conditioners ...

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If your strands have been looking scruffy lately, you probably need more than just plain old conditioner to bring your hair back to life. That’s where a weekly or biweekly deep-conditioning treatment ...

When it comes to shampoo and conditioner, you might be the type to try something new every time, or it's possible you've used the same two bottles for years. Either way, it might be time to ask ...