Solacare Sun Cream SPF 30

Croda Europe Limited

This formulation carefully balances the inorganic UV filter, SolaveilTM CT-12W with organic filters to produce a broad spectrum, cost-efficient cream with SPF 30 and one third UVAPF that remains clear on the skin. This is achieved through the biphasal distribution of actives with their efficiency improved through the use of CrodafosTM MCK and SolPerFormTM 100. Crodamol™ SFX provides the formulation with a premium skin feel whilst aiding the solubilisation of the organic filters. This versatile formulation can be easily adapted to achieve different viscosities through altering the level of ViscOptimaTM SE.

Phase

Product

INCI Name

Supplier

Volume

Crodamol™ SFX

PPG-3 Benzyl Ether Ethylhexanoate

Croda

9.00

ArlacelTM 165

Glyceryl Stearate (and) PEG-100 Stearate

Croda

2.00

SpanTM 60

Sorbitan Stearate

Croda

1.00

Eusolex OCR

Octocrylene

Merck

4.50

Eusolex OS

Ethylhexyl Salicylate

Merck

2.50

Eusolex 9020

Butyl Methoxydibenzoylmethane

Merck

2.00

Xiameter PMX-245

Cyclopentasiloxane

Dow Corning

1.00

Titriplex III

Disodium EDTA

Azelis

0.02

Water Deionised

Aqua

To 100

PricerineTM 9091

Glycerin

Croda

3.00

CrodafosTM MCK

Potassium Cetyl Phosphate

Croda

3.00

Veegum Ultra

Magnesium Aluminium Silicate

R. T. Vandebilt

0.40

Keltrol CG SFT

Xanthan Gum

CP Kelco

0.10

SolaveilTM CT-12W

Aqua (and) Titanium Dioxide (and) Oleth10 (and) Isodeceth-6 (and) Aluminium Stearate (and) Alumina (and) Simethicone (and) Phenoxyethanol

Croda

11.00

SolPerFormTM 100

Aqua (and) Hydrolyzed Wheat Protein/PVP Crosspolymer

Croda

2.00

ViscOptimaTM SE

Sodium Polyacrylate (and) Ethylhexyl Cocoate (and) PPG-3 Benzyl Ether Myristate (and) Polysorbate 20

Croda

1.30

Euxyl PE 9010

Phenoxyethanol (and) Ethylhexylglycerin

Schülke and Mayr

1.00

Fragrance A232278

Parfum

Ungerer

0.50

Euxyl K220

Methylisothiazolinone (and) Ethylhexlglycerin (and) Water

Schülke and Mayr

0.10

Preparation:

Disperse the Veegum Ultra and Keltrol CG SFT in Pricerine 9091 and add water with stirring. Once fully hydrated add the Crodafos MCK with stirring and once homogenous heat to 7580˚C. Combine the Phase A ingredients and heat to 75-80˚C. Add Solaveil CT-12W to water phase with stirring, maintaining temperature. Add oil phase to water phase with stirring. Homogenise for 2 minutes per 300g. Stir/cool to room temperature adding the Phase C ingredients once the temperature is below 40˚C with gentle stirring. It is advisable to add the ViscOptima SE last to allow the SolPerForm 100, preservative and fragrance to become evenly distributed throughout the formulation before modifying the rheology.

Notes:

Appearance: Thick white cream pH: 6.47 Viscosity: 21,880 cP +/- 10% (Spindle 92, 10 rpm, 1 minute, ambient, Brookfield DV-I+) Stability: 3 months at 45°C, 40°C, 5°C and room temperature. 1 month at -5/40°C In vivo SPF (ISO 24444:2010, 5 subjects, AMA Laboratories, USA) : 32 label SPF 30 In vitro UVAPF (ISO24443:2012): 12, predicted to be PA+++ Ratio SPF/UVAPF: 2.50

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