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SPF Water-Resistant Sunscreen

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By: TOM BRANNA

Editor

SPF Water-Resistant Sunscreen
Ingredients
%

Phase A

  • Koboguard 5400 IDD (Kobo Products) (Hydrogenated polycyclopentadiene [and] iIsododecane)
  • 14.29
  • Permethyl 99A (Presperse) (Isodocane)
  • 0.35

Phase B

  • Lucentite SAN (Kobo Products) (Lithium magnesium silicate)
  • 2.00
  • Phenoxyethanol (NIPA Labs)
  • 0.66

Phase C

  • PM9P50M170 (Kobo Products) (Titanium dioxide [and] Isododecane [and] alumina [and] dimethicone [and] polyhydroxystearic acid)
  • 30.00
  • Tospearl 20000B (GE/Kobo Products) (Polymethylsilsesquioxane)
  • 3.38
  • SF1540 (GE/Kobo Products) (Cyclomethicone [and] PEG/PPG-20/15 dimethicone)
  • 6.80
  • Covi-Ox T70 (Cognis) (Tocopherol)
  • 0.25

Phase D

  • Arlacel 80 (Uniqema) (Sorbitan oleate)
  • 0.75
  • Crill 6 (Croda) (Sorbitan isostearate)
  • 0.75
  • Propylparaben (ISP Sutton)
  • 0.10

Phase E

  • Sodium chloride (Morton Salt)
  • 1.00
  • Deionized water
  • 17.70
  • Methylparaben (Protameen)
  • 0.10

Phase F

  • Syncrowax HGL-C (Croda) (C18-36 triglycerides)
  • 1.65
  • Syncrowax BB-4 (Croda) (Synthetic beeswax)
  • 1.10
  • Vitamin E acetate (Roche) (dl-alpha tocopherol)
  • 0.10

Phase G

  • Velvesil 125 (GE/Kobo Products) (Cyclopentasiloxane [and] C30-45 alkyl cetearyl dimethicone crosspolymer)
  • 17.70

Phase H

  • Vanillin (Citrus & Allied Essence)
  • 0.02

Phase I

  • Deionized water
  • 1.00
  • dl-Panthenol (Roche)
  • 0.30

Procedure

Combine phase A materials. Add the Lucnetite SAN slowly to phase A. Stir at high speed for 20 min. Add Phenoxyethanol and stir an additional 20 minutes. Combine all the ingredients in phase C to a stainless steel beaker and stir at high speed with a Cowles dissolver for 30 minutes. Add gel phases A-B to phase C to form the base. Add phase D to the base and homogenize for 15 minutes. Combine aqueous phase E and stir until clear. Add phase E slowly to the base and continue homogenizing while heating to 75°C. Add the waxes (phase F) to the base and continue to homogenize. Begin air cooling. At 70°C, add the Velvesil and QS solvent loss. Add phase H to the main batch at 55°C. At 42°C, add the panthenol solution. Continue homogenizing and cool till 25°C. Fill into appropriate containers.

More Information

Kobo Products, Inc.
690 Montrose Ave. & 3474 S. Clinton Ave.
South Plainfield, NJ, 07080
Tel: (908) 757-0033; Fax: (908) 757-0905
Website: www.koboproducts.com