34 JOURNAL OF THE SOCIETY OF COSMETIC CHEMISTS

LANOLIN DERIVATIVES IN PRESSURIZED FORMULATIONS II 35 Table IV Propellant systems Propellant systems K L M N O P Q 3verall total 77 92 72 53 139 145 120 kverage 25.7 30.7 24 17.7 46.3 48.3 40 Table V Appearance of controls after 6 weeks Propellant system 20øC 0øC 0øC + 24 hours at 20øC K 1 1 1 L 1 1 1 M 1 1 1 1N' 1 1 1 O 1 1 1 P 1 5 5 (irreversible) Table VI Effect of shaking (on separated matter) after 6 weeks' storage. Propellant systems Lanolin 20øC 0øC + 24 hours at 20øC products K L M N O P Q K L M N O P Q i ii iii iv v vi vii ... VIIi ix x «f «f - - x x x .... 1 i 1« - x x - • « If .... 1 x i - 2f - - • II i .... 1 1 If xf xf lif II li II x xf xf xf li f llf li lif lif lif- x x • li II li - x x llf x - - x 1 li If II - x i .... i - 2f 2f - x 1 x .... i i i 2f i f If llf 2f 2f 2f •if xf If If 4f xf 4 Key: f = foaming inside container after shaking. x = separated matter does not redisperse. Separated matter redisperses. 1- = Stability of 25 seconds. i = ,, ,, i minute. 1 = ,, ,, 1 minute. l i = ,, ,, li minutes. 2 = ,, ,, 2 minutes. 4 = ,, ,, 4 minutes.