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Formulation

Transparent Sun Care Spray SPF 25 UVA

SG 06/11-27

Phase

Ingredients

%W/W

A

TEGOSOFT® XC MB

(Phenoxyethyl Caprylate )

12.00

TEGOSOFT® APM

(PPG-3 Myristyl Ether )

2.00

TEGOSOFT® GC

(PEG-7 Glyceryl Cocoate )

1.00

TEGO® Xymenynic

(Caprylic/Capric Triglyceride; Xymenynic Acid )

2.00

Cyclopentasiloxane

7.00

Homosalate

10.00

Octocrylene

9.40

Ethylhexyl Salicylate

4.50

Butyl Methoxydibenzoylmethane

3.00

Tocopheryl Acetate

0.50

B

Alcohol Denat.

48.60

Processing

1. Heat phase A to 85 °C to dissolve UV filters.
2. Cool down with stirring to room temperature.
3. Add phase B while stirring.

Remarks

Clear, one-phase formulation

SPF* (in vitro): 25
UVA-Balance*: 47 %
Critical Wavelength*: 377

Calculated values**:
SPF: 25
UVA-Balance: 40 %

*(Labsphere 2000S; 0,75 mg/cm²; on PMMA slide)
**(BASF Sunscreen Simulator)


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