Can You Take Razor on Plane
So, here's the deal: straight razors and razor blades are not allowed in your carry-on bags. Like, at all. But, safety razors and electric razors are okay, as long as they're in your checked luggage or in a special protective case. Don't worry, it's not as confusing as it sounds.
Now, you might be thinking, "But what about disposable razors?" Well, those are actually allowed in your carry-on, as long as they're packed in a clear, quart-sized zip-top bag. Yeah, it's a mouthful, but just remember: clear bag, quart-sized, zip-top. Got it? And, fun fact: some airlines even have special razor-friendly policies, so it's always a good idea to check with them before your flight.
Razor Flight Carry On at Sam Moonlight blog
And then there's the issue of razor cartridges and extra blades. These are allowed in your checked luggage, but not in your carry-on. Unless, of course, you have a very good reason for needing them, like a medical condition. In that case, you'll need to declare them and get special permission from the TSA. It's not exactly rocket science, but it's still important to follow the rules.