Aging doesn’t have to do you in. Sure, wrinkles might abound and wayfaring follicles may begin to sprout in places you never thought they would, but that’s what retinol and waxing are for, respectively. Plus, if you cut out all those bad habits that will prematurely age you, then you’ve got a good shot of making it as long as possible with a good portion of your looks in tact. Which leaves us with one final end to tie up: how exactly should you cut your mane once everything’s gone salt and pepper? Because surely grey hair plays by a different set of rules, right?