Your hair quality changes decades before you start noticing grays, but the aging can be so subtle at first that you may not spot the damage until years later. In other words, when it comes to hair, it’s never too early for some serious maintenance.

There’s a growing body of research on how to keep hair in top shape—plus new hair-care options that go way beyond deep conditioner. Here, a look at some of the new products and not-so-obvious tricks to keep locks looking youthful.