A lot of men have a pretty simple hair-care routine: shampoo, rinse, done. But is shampoo alone really enough? For many men, the answer is no. Shampoo and conditioner do two different jobs. Shampoo is primarily designed to cleanse the hair and scalp, removing oil, sweat, dirt, styling product and buildup. That's important, but cleansing can also leave hair feeling rough, dry or harder to manage. That's where conditioner comes in. What Does Conditioner Actually Do for Men's Ha