Stephenson Personal Care We can also produce bespoke ...
We can also produce bespoke Durosoft? Polyglycerol Esters using your specific choice of oil ? please contact us
to discuss further.
Disclaimer All information is given in good faith. The information contained herein, and further technical advice is meant to demonstrate how our products may be used. The information given is without any guarantee aimed at supporting the customer's development.
Stephenson Personal Care
DUROSOFT?
POLYGLYCEROL ESTERS Naturally derived emuslifiers for true cold process formulations
Personal Care
Stephenson Personal Care Stephenson Group Limited, Brookfoot House, Low Lane, Horsforth, Leeds, West Yorkshire, LS18 5PU, England.
Tel +44(0) 113 205 0900 Fax +44(0) 113 205 0901
stephensonpersonalcare.co.uk
Personal Care
DUROSOFT?
The Durosoft? (patent pending) range of Polyglycerol esters are liquid, multifunctional, cosmetic ingredients produced from vegetable oils and glycerine and are ideally suited as emulsifiers for truly cold process formulations.
Advantages of using Durosoft? as a Cold Process Emulsifier:
? Compatible with both oil and water phases
? Truly cold processable ? No heating or cooling requirements ? Reduced manufacturing costs ? Increased manufacturing speeds ? Reduced equipment costs ? No deleterious effect on temperature
sensitive raw materials and active ingredients
? Provides flexibility for formulators ? Active ingredients can be added to the
compatible phase ? Essential oils and fragrances can be
added to the oil phase ? Excellent electrolyte tolerance ? Stable water thin products achievable ? Suitable for use in organic
formulations
Microscopy of water thin emulsions prepared using Durosoft?
After preparation
After 4 weeks
Microscopy of the water thin emulsion base shows little or no difference in droplet size after 4 weeks storage at 40oC.
Durosoft? emulsifiers provide a route to stable water thin emulsions which are achievable using low shear mixing techniques
Formulations
Sprayable Water Thin Cold Process Lotion Base
Cold Process Cream Base
Cold Process Wet Wipe Emulsion Base
Phase
% Phase
% Phase
%
A Water
to 100.0 A
A Phenoxyethanol
A
Ethylhexylglycerin 0.7
A Xanthan Gum
0.2 A
A Durosoft? PK
1.5 A
B Sunflower Oil B Durosoft? PK
15.0 B 1.5 B
C
Water
to 100.0 A
Phenoxyethanol
A
Ethylhexylglycerin 0.7 A
Xanthan Gum
0.2 A
Durosoft? PK Sunflower Oil
1.5 15.0 A
Durosoft? PK Acrylates/Acrylamide copolymer *
1.5 A
B 3.0 B
Water
to 100.0
Panthenol
0.5
Glycerin
0.5
Phenoxyethanol Ethylhexylglycerin 0.7
Xanthan Gum
0.2
Durosoft? PK
1.5
Sunflower Oil
10.0
Durosoft? PK
1.5
Preparation Guide:
Preparation Guide:
Preparation Guide:
Prepare phase A Charge water to vessel
Prepare phase A Charge water to vessel
Prepare phase A Charge water to vessel
Add Phenoxyethanol Ethylhexylglycerin
Add Xanthan Gum, stir until fully hydrated Add Durosoft? PK
Stir until Durosoft? PK is homogeneously dispersed in the water phase (e.g. 15 minutes using a 250rpm overhead stirrer)
Add Phenoxyethanol Ethylhexylglycerin
Add Xanthan Gum, stir until fully hydrated Add Durosoft? PK
Stir until Durosoft? PK is homogeneously dispersed in the water phase (e.g. 15 minutes using a 250rpm overhead stirrer)
Add Panthenol Add Glycerin Add Phenoxyethanol Ethylhexylglycerin Add Xanthan Gum, stir until fully hydrated
Stir until Durosoft? PK is homogeneously dispersed in the water phase (e.g. 15 minutes using a 250rpm overhead stirrer)
Prepare phase B
Prepare phase B
Prepare phase B
Mix Sunflower Oil with Durosoft? PK
Add phase B to phase A and stir until homogeneous (e.g. 25 minutes using a 250rpm overhead stirrer)
Mix Sunflower Oil with Durosoft? PK then add to aqueous phase
Add phase B to phase A and stir until homogeneous (e.g. 25 minutes using a 250rpm overhead stirrer)
Mix Sunflower Oil with Durosoft? PK
Add phase B to phase A and stir until homogeneous (e.g. 25 minutes using a 250rpm overhead stirrer)
Thicken by adding phase C
* For a natural thickened cold process cream base, the acrylate/acrylamide thickener can be replaced by 8% Cetyl Alcohol. Generally this level of Cetyl alcohol imparts poor rub in and an undesired skin feel however, used in conjunction with the Durosoft? PK any such issues are minimised .
Stirring speed and duration are for guidance only. Using increased speed or a high shear mixer will reduce the time required to achieve a homogeneous product
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