Table 1 Sun protection factors (SPFs) for commercial sunscreen preparations before and after supplementation with BTKKS3 melanin
Commercial sunscreen | SPF value stated by the manufacturer | SPF value determined empirically during the current study | +BTKKS3 Melanin (0.005% w/w) SPF |
|---|---|---|---|
Sunscreen 1 | 15 | 14.24 ± 0.007 | 18.05 ± 0.03 |
Sunscreen 2 | 15 | 14.61 ± 0.01 | 18.98 ± 0.01 |
Sunscreen 3 | 15 | 14.77 ± 0.05 | 18.95 ± 0.06 |
Sunscreen 4 | 17 | 16.47 ± 0.04 | 20.51 ± 0.1 |
Sunscreen 5 | 30 | 26.26 ± 0.04 | 29.68 ± 0.08 |