Phase Trade Name INCI Name % By weight Function
A Emulgade® Verde 10 MS Polyglyceryl-10 Stearate 2 Emulsifier (O/W)
Eumulgin® SG Sodium Stearoyl Glutamate 0.5 Emulsifier (O/W)
Cetiol® B Dibutyl Adipate 3 Emollient
Cutina® Shine Dicocoyl Pentaerythrityl Distearyl Citrate 3 Film forming agent
Tinosorb® S* Bis-Ethylhexyloxyphenol Methoxyphenyl Triazine 4.5 Broad spectrum UV filter
Homosalate Homosalate 15 UV-B filter
Octisalate Octisalate 5 UV-B filter
Octocrylene Octocrylene 7 UV-B filter
Avobenzone Avobenzone 3 UV-A filter
B Cosmedia® SP Sodium Polyacrylate 1 Rheology Modifier
C Water Water 52  
Euxyl PE 9010 (Ashland) Phenoxyethanol (and) Ethyhexylglycerin 1 Preservative
Glycerin Glycerin 3 Humectant
*Tinosorb® S (BEMT) is currently undergoing FDA review and is not approved for use in the United States as a sunscreen active.

Procedure

  1. Combine phase A and heat to 75C, mix until crystalline filters are soluble
  2. Combine C and heat to 75C
  3. Add B to A and disperse well before homogenization in the next step
  4. Add A/B to C while homogenizing, homogenize until uniform
  5. Transfer to propeller mixing and start cooling
  6. Cool until room temperature