To sign up for our daily newsletter covering the latest news, hacks and reviews, head HERE. For a running feed of all our stories, follow us on Twitter HERE. Or you can bookmark the Lifehacker Australia homepage to visit whenever you need a fix. If you’re someone who’s constantly battling five-day grease build-up or attempting to finally grow those ends past shoulder length (Hi, me), you should consider adding a scalp scrub to your in-shower routine. Like face masks, scalp scrubs became wildly popular towards the end of last year and it’s easy to see why. Scalp scrubs are formulated to cleanse the scalp of unwanted dirt, oil and product build-up, and when used regularly can help your hair grow healthier and stronger. And let’s be real, who doesn’t want that?! If you haven’t heard of scalp scrubs, allow us to introduce you to your new shower mate.