There are certain things every guy should know about how to take care of his appearance.

From how often you should get your hair cut to how to get the perfect shave, these tips will make any guy's life a whole lot easier.

There's bound to be at least one thing you didn't know.

1. Always tell a new barber how long it's been since your last haircut.

Read more.

2. Tailor your haircut to your face shape.

If you have a rounder face, get a haircut that's tighter on the sides. If you have a longer face, ask for longer hair on the sides and around your temples.

Read more.

3. Go about a month in between haircuts.

If you have shorter hair, you should go sooner, but if your hair is longer, it's probably fine to wait a month and a half to two months.

Read more.

4. Keep the sides cropped short if you're dealing with male pattern baldness.

Get the sides cropped close with scissors or clippers and the top short with the hair brushed to the side. Don't get any kind of part, since you don't want any hard lines drawing eyes to the "problem area."

See more.

5. Follow four simple steps to avoid razor burn.

Read more.

6. Wash your hair only three times a week.

Read more.

7. Realize the effectiveness of a washing bag.

Though a washing bag can be used for underwear, for men it becomes a great tool to wash loafer socks, watch straps, and anything else that might get lost in the tumble.

Read more.

8. Use sunscreen to do more than just prevent sunburn.

Broad-spectrum sunscreen protects skin from harmful UV rays, which can also cause wrinkles and skin damage. Dr. Terrence Keaney, a dermatologist working with Dove Men+Care, recommends using moisturizer with a sunscreen component of at least SPF 30 for the best effect, but any kind of protection is better than none.

Read more.

9. Learn the correct number of times to wash your face in a day.

Hopefully, you wash your face every day. But are you washing it enough?

Keaney recommends that his male patients wash their faces twice a day — and only twice a day.

Read more.

10. Use antiperspirant deodorant correctly.

The best time to put on your antiperspirant or deodorant is at night, before you go to bed.

That's because it takes time for your antiperspirant to work its magic and close your armpit's sweat ducts. After this process happens, good antiperspirants and deodorants usually last 24 to 48 hours, so you'll have plenty of dry times ahead after application.

Read more.

11. Adopt the easy way to hide a hangover.

Eye de-puffers, like Kiehl's Facial Fuel De-Puffer ($20), are specially formulated to reduce the bags underneath your eyes after a late night. A roll-on like this works perfectly as a quick morning eye pick-me-up.

It works by giving your under-eye skin an injection of caffeine, constricting blood vessels and reducing the appearance of swelling, according to dermatologist Cheryl Karcher.

Read more.