'Sideburns are facial hair that connects your hairline to your beard (or stops at your ear if you’re clean-shaven). They run from the temples down to the bottom of the ear – or even longer if you’re ...

Or how to keep them looking sharp (without veering into Wolverine territory)? Grooming expert and Supply Co-Founder Luke Davies is here to settle all your sideburn dilemmas once and for all.