The present invention relates to aerosol foam composition for styling and conditioning keratin fibres especially human hair. The composition improves hair styling with excellent hold and especially conditions hair with excellent shine, combability, volume and body and also excellent elasticity. The inventors of the present invention have found out surprisingly that an aqueous composition based on at least one hair styling polymer selected from anionic, non-ionic, cationic and/or amphoteric or zwitterionic ones which additionally comprises at least one oil or oily compound, at least one fatty acid soap, at least one emulsifier and at least one propellant shows excellent styling and conditioning benefits and has an appearance like a whipped cream which has not been known in the cosmetic market prior to the present invention.