Table 4.
Ecofriendliness of four representative sunscreen formulations with a sun protection factor (SPF) of 50
| Formulation | Example no. 1 | Example no. 2 | Example no. 3 | Example no. 4 | ||||
|---|---|---|---|---|---|---|---|---|
| Concentration of a specific UV filter | Filter 1 | Conc. [%] | Filter 1 | Conc. [%] | Filter 1 | Conc. [%] | Filter 1 | Conc. [%] |
| 1 | EHS | 5.0 | EHS | 5.0 | EHS | 5.0 | EHT | 2.0 |
| 2 | BEMT | 2.0 | EHMC | 10.0 | EHT | 2.5 | BEMT | 2.5 |
| 3 | TBPT | 3.0 | EHT | 2.5 | BEMT | 1.0 | MBBT | 6.0 |
| 4 | OCR | 10.0 | MBBT | 2.0 | MBBT | 2.0 | TBPT | 3.0 |
| 5 | BMDBM | 4.0 | DHHB | 8.0 | DHHB | 4.0 | ‐ | ‐ |
| 6 | ‐ | ‐ | ‐ | ‐ | TBPT | 3.0 | ‐ | ‐ |
| Overall UV filter Concentration [%] | 24 | 27.5 | 17.5 | 13.5 | ||||
| SPF calculated | 53 | 54 | 53 | 57 | ||||
| UVA‐PF calculated | 23.8 | 18.2 | 17.7 | 18.1 | ||||
| EcoSun Pass Value | 0 | 160 | 228 | 272 | ||||
1
See Table 1 for UV filter names.