ORGANOFUNCTIONALIZED SILICONE RESINS 19 Formulation 3: Prototype Sunscreen Composition Material Amount (%) A. Water 77.58 Tetrasodium EDTA 0.05 Phenoxyethanol & methylparaben & butylparaben & ethylparaben & propylparaben 0.80 Magnesium aluminum silicate 0.25 Ester* 7.00 Octyl methoxycinnamate 7.00 Octyl salicylate 3.00 Benzophenone - 3 3.00 Acrylates/%o_3o alkyl acrylate crosspolymer 0.30 Carbomer 0.15 Sorbitan oleate 0.20 Fragrance 0.12 Triethanolamine 99% 0.55 n. C. Procedure: 1. Heat water of Phase A to 75øC. Add remaining ingredients in order with moderate propeller agitation, making sure all parabens have dissolved. Mix for 15 min, while cooling to 50øC. 2. Combine Phase B with sweep agitation at ambient temperature. Mix until smooth "paste" is obtained. 3. Add Phase B at RT to Phase A (at 50øC) with rapid propeller agitation. Mix for 30 min or longer to ensure that polymers are completely dispersed. 4. Cool with moderate agitation to 45øC. Add Phase C to batch with moderate propeller agita- tion. Mix for 10 min. 5. Add Phase D to batch at 40øC. Mix with moderate agitation for 20 min. Cool to RT. * Three formulations were prepared using either dilauryltrimethylolpropane siloxysilicate, diisostearyltri- methylolpropane siloxysilicate, or octyl palmitate. Formulation 4: Prototype Lipstick Composition Material Amount (%) A. Castor oil Silicone ester resin* Propypylparaben Candelilla wax Carnauba wax White beeswax Ozokerite wax Tocopherol B. D&C Red no. 6 Barium Lake (40% C.O. Colormix) D&C Red no. 7 Calcium Lake (40% C.O. Colormix) Titanium dioxide (60% C.O. Colormix) C. Berry flavor 41.85 20.00 0.10 6.OO 2.00 4.5O 2.50 0.05 7.00 7.00 9.OO 1.00 Procedure: 1. Combine Phase A and heat with agitation to 85-90øC. Mix at temperature for 15 min. 2. Cool to 75øC. Add Phase B with agitation. Mix for 30 min, avoiding aeration. Add Phase C to Phase AB with agitation and mix for 10 min pour into molds at 75øC. * Two products were prepared using eiher dilauryltrimethylolpropane siloxysilicate or dilisostearyltrimeth- ylolpropane siloxysilicate. ACKNOWLEDGMENTS The authors gratefully acknowledge the contributions of F. Traver, D. Johnson, and P.

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