W/O-Sonnenmilch
Sunscreen lotion W/O
Rezeptur Nr./Formulation no. : 92/313/3 LSF / SPF 10-15 (DIN/calculated)
Bestandteil/Component % Funktion/Function
I.
Dehymuls® HRE 7
PEG-7 Hydrogenated Castor Oil

 3,0 W/O-Emulgator/
W/O emulsifier
Monomuls® 90-O 18
Glyeryl Oleate

 1,0 W/O-Emulgator/
W/O emulsifier
Bienenwachs 8100 (Kahl)
Cera Alba

 1,0 Konsistenzgeber/
consistency giving factor
Cetiol® A
Hexyl Laurate

 4,0 Emollient
Cetiol® LC
Coco Caprylate/Caprate

 5,0 Emollient
Cetiol® SN
Cetearyl Isononanoate

 10,0 Emollient
Cetiol® SB 45
Butyrospermum Parkii

 3,0 Emollient
Copherol® 1250
Tocopheryl Acetate

 1,0 Wirkstoff/
active ingredient
Zincum N 29 (Bärlocher)
Zinc Stearate

 1,0 Stabilisator/stabiliser
Parsol MCX (Givaudan)
Octyl Methoxycinnamate

 7,5 UVB-Filter
Parsol 1789 (Givaudan)
Butyl Methoxybenzoylmethane

 2,5 UVA-Filter
Uvinul M 40 (BASF)
Benzophenonene-11

 1,0 Breitbandfilter/
broad spectrum filter
II.
Glycerin 86%

 5,0 Moisturizer
Magnesiumsulfat-7-hydrat

 1,0 Stabilisator/stabiliser
Aqua

 55,0  
Konservierungsmittel/preservative

 n.B./q.s.  
Viskosität/viscosity mPas; Brookfield, RVF 23
�C, Spindel/Spindle 5, UPM: 10

 10.000  

Herstellung im Labormaßstab

1. Die Bestandteile unter 1 werden bei 80 �C aufgeschmolzen und homogen verrührt.
2. Phase II wird auf 80 �C erhitzt und unter Rühren/Homogenisieren langsam partieweise zu 1. gegeben. 5 Minuten bei 80 �C emulgieren.
3. Die Emulsion wird unter Rühren und Luftkühlung so abgekühlt, daß sie ständig in homogener Bewegung bleibt und keine Luft eingerührt wird. Zwischen 65-50 �C empfiehlt sich ein Homogenisierschritt zur Strukturverbesserung. Dauer und Intensität sind abhängig von den maschinellen Gegebenheiten. Eine zu intensive Homogenisierung kann u. U. eine höhere Viskosität im Endprodukt verursachen.
4. Rührende bei 30 �C.

Preparation in the laboratory

1. Melt components of phase I at 80� C and stir homogeneously.
2. Heat phase II to 80� C and add slowly to phase I in small portions while stirring/homogenizing. Emulsify for 5 minutes at 80�.
3. Cool the emulsion in such a way under stirring and air cooling that a continual homogeneous movement is maintained and no air is trapped. Between 65-50� C, a homogenising step is recommended in order to improve the structure. Duration and intensity depend upon the technical conditions.
Too intensive homogenization can cause a higher viscosity in the end product.
4. Stop stirring at 30� C.
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H E N K E L  K G a A Care Chemicals Division Düsseldorf