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Radia 7887 Cold Water-in-oil emulsifier. W/O Properties W/O Applications Famous Examples R7887 Formulations. 1. W/O Properties. Skin protection Long lasting moisturisation Resemblance to the natural skin protective barrier Improved spreading and penetration of active ingredients

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Radia 7887Cold Water-in-oil emulsifier


1. W/O Properties

  • Skin protection

  • Long lasting moisturisation

  • Resemblance to the natural skin protective barrier

  • Improved spreading and penetration of active ingredients

  • Reduced preservative concentration


2. W/O Applications

  • Sun Screen milks, lotions and creams

  • Night creams

  • Creams & lotions for dry and sensitive skin

  • Skin protective baby creams

  • Massage milks


3. Famous Examples

  • W/O Properties

  • W/O Applications

  • Famous examples

  • R7887

  • Formulations

Multi purpose cream

Body Milk

Sunscreen

Diaper cream


4. R7887..

  • ...is liquid and allows cold production = reduced cost!

  • ...is based on natural raw materials & is PEG free.

  • ...has no need for co-emulsifier  single emulsifier

  • …is fit for high and low internal face

  • ...provides emulsions with a glossy appearance

  • …functions at low levels (≥1%)


T (°C)

1

2

3

Hot Process

+/- 80

4

5

Homogenize

20

  • Solid emulsifier requires temperature (=cost) input.

  • W/O Properties

  • W/O Applications

  • Famous examples

  • R7887

  • a. Cold Process

  • b. Emollients

  • c. Single Emulsifier

  • 5. Formulations

= Cost


T(C°)

1

2

3

4

5

Homogenize

20

  • R7887 doesn’t require heating = possible cost reduction!

  • W/O Properties

  • W/O Applications

  • Famous examples

  • R7887

  • a. Cold Process

  • b. Emollients

  • c. Single Emulsifier

  • 5. Formulations


  • W/O Properties

  • W/O Applications

  • Famous examples

  • R7887

  • a. Cold Process

  • b. Emollients

  • C. Single Emulsifier

  • 5. Formulations

Minutes

20

40

60

80

100

120

140

160


b. Emollients influence formulation.

  • W/O Properties

  • W/O Applications

  • Famous examples

  • R7887

  • a. Cold Process

  • b. Emollients

  • c. Single Emulsifier

  • 5. Formulations

  • % water => Viscosity Formulation

  • Viscosity emollients => Viscosity Formulation

  • Homogenisation => Stability (& Viscosity) Formulation


c. Single Emulsifier.: Test protocol

  • W/O Properties

  • W/O Applications

  • Famous examples

  • R7887

  • a. Cold Process

  • b. Emollients

  • c. Single Emulsifier

  • 5. Formulations

Test formulation W/O

Oilphase

Oil 10 or 18 or 30

Emulsifier 1 or 3.5

Waterphase

Glycerol 4

MgSO4.7H2O 0,7

Preservative q.s.

Water to 100%

Low external phase = 10%

High external phase = 30%

Low surfactant = 1%

High surfactant = 3.5%


c. Single Emulsifier.: Conclusions

  • W/O Properties

  • W/O Applications

  • Famous examples

  • R7887

  • a. Cold Process

  • b. Emollients

  • c. Single Emulsifier

  • 5. Formulations

  • 1% emulsifier is stable for MCT and paraffin oils (18%).

  • 3,5% emulsfier is stable for MCT, sunflower oil and paraffin oils. Separate esters are being tested.

  • Highest viscosity and synergy is obtained by using sunflower oil.

  • Internal phases till 82% were achieved.


5. Formulations

Low Cost W/O protective cream HP11-22-2

Viscosity : 121000 mPa.s (Brookfield RV, spindle 7, rpm 10, 1 min.)

Assessment: Rich protective cream, high viscosity, film forming , good spreading


5. Formulations

W/O soft body cream/Lotion HP03-54-3

  • Viscosity ,35000 mPa.s (Brookfield RV, spindle 6, rpm 10, 1 min.)

  • Assessment: Rich day lotion, nice, soft skinfeel, smooth afterfeel , good spreading


5. Formulations

Low Cost Protective baby cream HP11-12-1

  • Viscosity ,35000 mPa.s (Brookfield RV, spindle 6, rpm 10, 1 min.)

  • Assessment: Rich day lotion, nice, soft skinfeel, smooth afterfeel , good spreading


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