DAY CREAM, ULTIMATE UV PROTECTION, SPF 25

Phase
Product
INCI Name
Supplier
Volume
A
Parsol® 1789 1
Butyl Methoxydibenzoylmethane (Avobenzone; USAN)
3.00
Parsol® 340 1
Octocrylene (Octocrilene; USAN)
3.00
Parsol® SLX 1
Polysilicone-15
1.00
Amphisol® K 1
Potassium Cetyl Phosphate
3.00
Alpha-Tocopheryl 1
Acetate Tocopheryl Acetate
1.00
Lanette 16 2
Cetyl Alcohol
3.00
Lanette 22 2
Behenyl Alcohol
2.00
Cetiol MM 2
Myristyl Myristate
2.00
Cutina CP 2
Cetyl Palmitate
2.00
Finsolv TN 3
C12-15 Alkyl Benzoate
4.00
Cetiol CC 2
Dicaprylyl Carbonate
5.00
Dermofeel BGC 4
Butylene Glycol Dicaprylate/Dicaprate
4.00
Pemulen TR-1 5
Acrylates/C10-30 Alkyl Acrylate Crosspolymer
0.20
B
Keltrol CG-T 6
Xanthan Gum
0.30
1,3-Butylenglykol 7
Butylene Glycol
3.00
Edeta BD 2
Disodium EDTA
0.10
Water Dem.
Aqua
ad 100.00
C
Trizma Base 8
Tromethamine
qs
D
Parsol® HS 1
Phenylbenzimidazole Sulfonic Acid (Ensulizole; USAN)
3.00
Water Dem.
Aqua
10.00
Trizma Base 8
Tromethamine
1.50
E
Mixed Tocopherols 95 1
Tocopherol
0.20
Naviance Tapioca 9
Tapioca Starch
1.50
Preservative
qs

Preparation:

Heat phase A to 85°C while stirring. Heat phase B to 80°C and add to phase A while stirring and homogenising the emulsion. Cool down the emulsion to 55°C and add phase C (adjust pH >7.0). When everything is homogenous add phase D. Ensure pH of Parsol® HS solution >7.0. Add phase E, homogenise again and cool down under stirring to ambient temperature.

Notes:

Properties pH: >7.0 Viscosity (Brookfield RV6/10 rpm): 75,300 cps SPF in vivo: (According to Colipa SPF Test Method) 27.8 In vitro UVAPF (Colipa 2007): >8.33 UVAPF/SPF (25 labelled); ³0.33: >0.33 Critical Wavelength: (Measurement done with MUT Helias equipment) >370 nm Suppliers 1 DSM Nutritional Products 2 BASF GmbH 3 Innospec 4 Dr Straetmans 5 Lubrizol 6 CP Kelco 7 Brenntag 8 Fluka Chemie 9 Akzo Nobel
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