This zinc oxide stick was designed for SPF 50 performance. In vivo testing in a US laboratory (10 subjects) yielded static SPF 57.9. Colipa Guideline (2011) delivered PFA (PPD) ~16, performance with critical wavelength 370 nm. UVA1/UV = 0.78
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Isopropyl Myristate | HallStar® IPM-NF | up to 100 | Emollient |
Ethyl Olivate, Olea Europaea (Olive) Leaf Extract | Sensolene® Light ET | 5.00 | Multifunctional Emollient | |
Ethylhexyl Methoxycrylene | SolaStay® S1* | 2.50 | Photostabilizer | |
Glycine Soja (Soybean) Oil (and) Polyglyceryl-3 Diisostearate (and) Oryza Sativa (Rice) Germ Extract (and) Oryza Sativa (Rice) Extract | BLUE Oléoactif® | 1.00 | Active Ingredient | |
Tocopherol | Biochemica® Vitamin E Natural | 0.50 | Antioxidant Agent | |
Diethylhexyl 2,6-Naphthalate | SolaFresh™ | 5.00 | Multifunctional Sunscreen Solvent | |
| Polyhydroxystearic Acid | 1.00 | Dispersing Agent | ||
| B | Bis(Cyano Butylacetate) Anthracenediylidene | Micah® | 0.18 | Active Ingredient |
| Zinc Oxide | 25.00 | |||
| C | Sorbitan Olivate | Olivem® 900 | 9.00 | Lipogelling Agent |
| Helianthus Annuus ( Sunflower) Seed Wax | 9.00 | Structuring Agent | ||
| 8.00 | Deoiling Agent | |||
| Polymethylsilsesquioxane/Silica Crosspolymer | 3.00 | Emollient |
PREPARATIVE PROCEDURE
| 1 | In the main vessel, combine and mix phase A and mix until uniform, then add phase B with mixing until uniform. |
| 2 | Heat up to 80°C with mixing until uniform, then add phase C in. |
| 3 | After uniform, start cooling. Stop mixing at 70-75°C . |
PRODUCT CHARACTERISTICS (25°C)
| Appearance | Opaque stick |
*Patented and Patent Pending
The information presented herein is believed to be accurate and reliable, but no warranty or guarantee, expressed or implied, is made regarding the information or the performance of any product. Further, nothing contained herein shall be taken as any inducement or recommendation to use, manufacture or sell that may infringe any patents or any other proprietary rights now or hereafter in existence, nor to imply compliance with any regulatory requirements
The Hallstar Company - 120 South Riverside Plaza Suite 1620 - Chicago, IL 60606-3911 USA hallstarbeauty.com