Candle wax stabilized with imidazolidines

A composition which consists essentially of

• (a) candle wax which is white and unscented;
• white and scented;
• dyed and unscented;
• dyed and scented;
• dipped and unscented;
• or dipped and scented, and
• (b) an effective stabilizing amount of a combination of
• (i) an imidazolidine compound and
• (ii) a UV absorber or an antioxidant, or a UV absorber and an antioxidant,
• wherein the ratio by weight of (i) to (ii) is from 10:1 to 1:10, and
• wherein the imidazolidine compound is of formula (Ia)
• where
• R1 and R2 are independently alkyl of 1 to 8 carbon atoms, or R1 and R2 together are tetramethylene, pentamethylene or pentamethylene substituted by methyl;
• and
• R3 and R4 are independently hydrogen, oxyl, hydroxyl, aralkyl of 7 to 15 carbon atoms, alkoxy of 1 to 24 carbon atoms, alkyl of 1 to 42 carbon atoms, said alkyl substituted by one or two hydroxyl groups, said alkyl substituted by alkylcarbonyloxy of 2 to 18 carbon atoms, or said alkyl interrupted by one to twenty oxygen atoms and substituted by one hydroxyl, by alkylcarbonyloxy of 2 to 18 carbon atoms or by 4-hydroxy-3,5-di-tert-butylbenzoyloxy.