The TSA has just updated it's list of prohibited carry-on items. One item I found interesting is that they have banned gel inserts in shoes. Tom.

Make Up and Personal Items
Body creams and lotions
Bubble baths
Bubble bath balls (gels)
Eye drops / gels
Gel caps
Gel deodorants
Hair detangler
Hair sprays / aerosol bottles
Hair styling gels
Hand sanitizers
Lip gels (Carmex in tubes, etc)
Lip glosses/liquids (solid lip glosses and blushes are allowed)
Liquid foundations
Liquid medications (non-essential)
Liquid Soaps
Make up removers / facial cleansers
Mascaras
Mosquito sprays
Mouthwashes
Nail polish and removers
Neosporin like cremes
Ointments
Perfumes / colognes
Saline Solutions
Shampoos and conditioners
Shaving creams and gels
Toothpastes
Topical creams

Foods and Drinks
All beverages (excluding formula/breast milk)
Camelbaks and similar backpacks must be empty
Gel based sports supplements
Jellos
Puddings
Yogurts (or gel like substances)

Other Items
Baby teethers (with gel or liquid inside)
Children’s toys with gel inside
Gel candles
Gel shoe inserts