Formulary

Sprayable Sunscreen Lotion SPF 30

April 1, 2009


Phase A
Parsol MCX (DSM) (Ethylhexyl methoxycinnamate (octinoxate; USAN))
7.50
Parsol 340 (DSM) (Octocrylene (octocrilene; USAN))
3.00
Parsol HMS (DSM) (Homosalate (homosalate; USAN))
5.00
Parsol EHS (DSM) (Ethylhexyl salicylate (octisalate; USAN))
5.00
Eusolex 4360 (Merck KGaA) (Benzophenone-3 (oxybenzone; USAN))
4.00
Parsol TX (DSM) (Titanium dioxide and dimethicone & silica)
3.00
dl-alpha-tocopheryl acetate (DSM) (Tocopheryl acetate)
1.00
Dow Corning 345 Fluid (Dow Corning) (Cyclopentasiloxane & cyclohexasiloxane)
3.00
Phenonip (Clariant) (Phenoxyethanol & methylparaben & ethylparaben & butylparaben & propylparaben & isobutylparaben)
0.80
Butylated hydroxytoluene (BHT) (Merck KGaA)
0.05
DUB DIS (Stearinerie Dubois Fils) (Diisopropyl sebacate)
4.00
1,2-Propanediol (Fluka Chemie) (Propylene glycol)
5.00
Eastman AQ Polymer 55S (Eastman Chemical) (Diglycol/CHDM/isophthalates/SIP copolymer)
3.00
Water demineralized
25.85
Pemulen TR-1 (Noveon) (Acrylates/C10-30 alkyl acrylate crosspolymer)
0.20
Edeta BD (BASF) (Disodium EDTA)
0.10
Syntran KL219C (Interpolymer Sarl) (Ammonium acrylates copolymer)
1.00
Parsol HS (DSM) (Phenylbenzimidazole sulfonic acid (ensulizole; USAN)
2.00

Phase B
Glycerin (Cognis)
5.00

Phase C
Water dem.
10.00
Triethanolamine (T.E.A.) (Fluka Chemie)
1.50

Phase D
Ethanol (Merck KGaA) (Alcohol)
10.00

Procedure
Heat phase A to 85°C while stirring. Heat phase B to 80°C and add to phase A while stirring and homogenizing the emulsion. Cool down the emulsion to 55°C and add phase 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. Cool down further to 35°C and add phase D together with the perfume oil. It is highly recommended to remove oxygen as much as possible by using vacuum while producing the product. Homogenize thoroughly and then with continued mixing cool down to ambient temperature.

Properties
pH: 7.10; Viscosity: 410 cps (Brookfield, RV 3, 10 rpm); SPF in vivo: 36.0; PA: +; PFA: 3.7 (SD: 1.08)

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