This light and non-greasy sunscreen cream, free from homosalate, octinoxate, oxybenzone, octocrylene, ethanol, and volatile silicones, applies to wet skin without whitening. Multi-functional cold process emulsifier Olivem® 2020 G is the only emulsifier used. SolaStay® S1 provides very rapid and efficient excited state quenching of butyl methoxydibenzoylmethane, protecting it from photo-degradation. HallBrite® BHB provides sunscreen solvency and emolliency. In vitro SPF ~ 55, PFA (PPD) 27, UVA1/UV = 0.90, and critical wavelength = 380 nm.
| Phase | INCI Name [INN/USAN] (Other Information) | Trade Name | % Wt | Function |
|---|---|---|---|---|
| A | Ethylhexyl Salicylate [Octisalate] | 5.00 | UV Filter / Sunscreen Agent | |
| Caprylic/Capric Triglyceride | 7.00 | Sunscreen Solvent | ||
Ethylhexyl Methoxycrylene | SolaStay® S1* | 4.00 | Photostabilizer | |
Butyloctyl Salicylate | HallBrite® BHB* | 5.00 | Sunscreen Solvent/Emollient | |
Diethylhexyl 2,6-Naphthalate | SolaFresh™ | 10.00 | Multifunctional Sunscreen Solvent | |
Vegetable Oil (and) Simmondsia Chinensis (Jojoba) Seed Oil (and) Curcuma Longa (Turmeric) Root Extract | SolaPure™Glo | 5.00 | Multifunctional Emollient | |
| B | VP/Eicosene Copolymer | 2.00 | Film Former | |
| Ethylhexyl Triazone | 3.00 | UV Filter / Sunscreen Agent | ||
| Butyl Methoxydibenzoylmethane [Avobenzone] | 4.00 | UV Filter / Sunscreen Agent | ||
| C | Xanthan Gum (pharma grade) | 0.15 | Thickener (Aqueous) / Emulsion Stabilizer | |
| Glycerin | 6.00 | Humectant | ||
| D | Water (Aqua) | up to 100 | Volatile Carrier | |
| Preservative | a.n. | Preservative | ||
| Trisodium Ethylenediamine Disuccinate (37% active) | 0.20 | Chelating Agent | ||
Ethylhexyl Olivate, Sodium Acrylates Copolymer, Polyglyceryl-4 Oleate | Olivem® 2020 G | 1.50 | Multifunctional Cold Process Emulsifier |
PREPARATIVE PROCEDURE
| 1 | To a secondary vessel add phase A and start mixing. Add phase B and heat to 55°C. Turned the heat off after all solids have dissolved. |
| 2 | To the main vessel add premixture of phase C, start mixing, then add phase D and continu mixing until a smooth gel is formed. |
| 3 | When both phases are homogeneous slowly add phase AB to phase CD with prop mixing. |
| 4 | When the emulsion is fully formed (white and thickened; 20 minutes or longer, as necessary), continue mixing until the batch is smooth. |
PRODUCT CHARACTERISTICS (25°C)
| Appearance | Off-white gel |
| Viscosity (20 rpm, Brk, RV DV-II, T-D, after 24h at room temperature; mPa∙s) | 26000 - 30000 |
| pH (as is) | 5.5 - 6.5 |
*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