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Ultra Defense Sunscreen Spray SPF 50

FU 15/17-8

ISOLAN® 17 MB is able to stabilize low-viscous emulsions even in combination with demanding ingredients such as high amounts of UV filters. TEGOSOFT® DEC provides low oiliness, good UV filter solubility and a pleasant light skin feel.

Phase

Ingredients

%W/W

A

ISOLAN® 17 MB

(Polyglyceryl-4 Diisostearate/Polyhydroxystearate/ Sebacate; Caprylic/Capric Triglyceride; Polyglyceryl-3 Oleate; Diisostearoyl Polyglyceryl-3 Dimer Dilinoleate)

5.00

TEGOSOFT® DEC

(Diethylhexyl Carbonate )

12.00

TEGOSOFT® TN

(C12-15 Alkyl Benzoate )

10.00

Uvinul A Plus Granular

(Diethylamino Hydroxybenzoyl Hexyl Benzoate)

5.00

Tinosorb S

(Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine)

4.00

Ethylhexyl Salicylate

5.00

Ethylhexyl Methoxycinnamate

4.00

Zinc Stearate

0.40

B

Water

30.60

Glycerin

3.00

Sodium Chloride

1.00

C

Water

15.44

Phenylbenzimidazole Sulfonic Acid

4.00

Sodium Hydroxide

0.56

Z

Perfume

q.s.

Processing

1. Heat phase A to approx. 80 °C.
2. Add phase C to phase B.
3. Add phase B/C to phase A while stirring.
4. Homogenize.
5. Cool down below 30 °C.
6. Homogenize again.

Remarks

Viscosity: 0.8 Pa*s (Brookfield RV DV-I, sp. 5, 100 rpm)
Antimicrobial effectiveness testing: not performed

SPF: 50.9, UVA-Balance: 34%, CW 372 nm (Calculated values, BASF Sunscreen Simulator)

Propellant: Combine emulsion with propellant DRIVOSOL® 27D60 (Propane, n-Butane; iso-Butane; Evonik Performance Materials GmbH) in mass ratio 8:2.

Alternatively, the emulsion can be used for pump sprays without propellant. In that case preservation is nec


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