Liquids, Aerosols and Gels : What are they?

List of the most common items include:

• water and other drinks, soups, syrups, jams, stews, sauces and pastes
• foods in sauces or containing a high liquid content
• creams, lotions, cosmetics and oils
• perfumes
• sprays
• gels including hair and shower gels
• contents of pressurised containers, including
  shaving foam, other foam and deodorants
• pastes including toothpaste
• mascara
• lipsticks, lip gloss or lip balm and
• any item of similar consistency at room temperature.

For more details, http://travelsecure.infrastructure.gov.au.