"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 ...

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 ...

I would argue that choosing the best conditioner for men—specifically for your hair type—is more important than choosing the right shampoo. Now, that’s not to say the shampoo is any less challenging ...

Classical conditioning is a type of unconscious learning. It occurs when a person or animal experiences an automatic response whenever they encounter a specific stimulus. Simply put, it is learning ...