It depends on the airline ; most places it's one carry-on per person.
No, razor blades are not allowed in carry-on luggage.
No, razors are not allowed in carry-on luggage.
Yes, electric shavers are allowed in carry-on luggage.
Yes, TSA wipes are allowed in carry-on luggage.
Yes, condoms are allowed in carry-on luggage by the TSA.
Yes, electric shavers are allowed in carry-on luggage.
Yes, wipes are allowed in carry-on luggage by the TSA.
No, razors are not allowed in carry-on luggage.
No, razor blades are not allowed in carry-on luggage on airplanes.
Yes, stick deodorant is allowed in carry-on luggage by the TSA.
Yes, it is allowed to bring condoms in your carry-on luggage on an airplane.
Yes, CDs are allowed on planes as part of carry-on luggage.