Formulary

High SPF Sprayable Sunscreen Lotion

November 1, 2009


Phase A
Parsol 1789 (DSM) (Butyl methoxydibenzoylmethane (Avobenzone; USAN))
3.00
Parsol 340 (DSM) (Octocrylene (Octocrilene; USAN))
2.70
Parsol EHS (DSM) (Ethylhexyl salicylate (Octisalate; USAN))
5.00
Parsol HMS (DSM) (Homosalate (Homosalate; USAN))
15.00
Parsol SLX (DSM) (Polysilicone-15)
0.99
Eusolex 4360 (Merck KGaA) (Benzophenone-3 (Oxybenzone; USAN)
5.00
Dub Dis (Stearinerie Dubois Fils) (Diisopropyl sebacate)
4.00
Jojoba Oil (Hu00e4nseler AG) (Simmondsia chinensis jojoba) seed oil)
4.00
dl-alpha-Tocopheryl acetate (DSM) (Tocopheryl acetate)
1.00
Cetiol SB-45 (Cognis) (Butyrospermum parkii (shea butter)
0.70
Pemulen TR-1 (Lubrizol) (Acrylates/C10-30 alkyl acrylate crosspolymer)
0.30
Dow Corning 345 Fluid (Dow Corning) (Cyclopentasiloxane & cyclohexasiloxane)
3.00
Butylated hydroxytoluene (Merck KGaA) (BHT)
0.05
1,2-Propanediol (Propylene glycol)
5.00
Eastman AQ Polymer 55S (Eastman Chemical) (Polyester-5)
3.00
Edeta BD (BASF) (Disodium EDTA)
0.10
Water dem.
20.01
Parsol HS (DSM) (Phenylbenzimidazole sulfonic acid (Ensulizole; USAN))
4.00
Triethanolamine (T.E.A.) (Fluka Chemie) (Triethanolamine)
2.50

Phase B
1,3-Butylenglykol (Merck KGaA) (Butylene glycol)
5.00

Procedure
Heat phase A to 85°C and stir until homogeneous. Heat phase B to 85°C and add to phase A under agitation. When everything is homogenous add phase C pre-heated to 50°C. Be sure that the pH of Parsol HS solution is 7.0. If traces remain, add small quantities of the used neutralizing base until the particles are dissolved. Homogenize thoroughly and then with continued mixing cool down to ambient temperature. It is generally recommended to use vacuum while producing the emulsion.

PROPERTIES: pH:—7.56; Viscosity—1150 Brookfield, RV310 rpm); SPF in vivo—53.9; PA: +++; PFA—9.4 Critical Wavelength—376 nm. Notes: For U.S., AP; can be used globally but for EU only meets SPF 30 UVA balance

More Information
DSM Nutritional Products, Tel: (973) 257-8501 •  www.nutraaccess.com
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