Due to enhanced security measures most liquids, gels, lotions and other items of similar consistency will not be permitted in carry-on baggage. These types of items must be packed in your checked baggage.
Liquids, gels and lotions can be purchased beyond the checkpoint but must be disposed of before boarding the aircraft.
Exceptions: Baby formula and breast milk if a baby or small child is traveling; prescription medicine with a name that matches the passenger’s ticket; up to 8 oz. of liquid or gel low blood sugar treatment and up to 4 oz. of non-prescription liquid medications.
See
TSA | Transportation Security Administration for current details