Did you also think that sunscreen and sunblock are the same? It's time to recheck facts and know the difference the two sun ...
If outside during hot weather, how often should you apply sunscreen and how does it work? Most of us are familiar with sun protection factor (SPF), the big number on the front of sunscreen bottles.
The sunscreen is ideal for outdoor workers because it is also waterproof and offers protection equivalent to a Factor 51 sunblock after 12 hours of continuous exposure to strong ultraviolet radiation.
This prototype sunblock was formulated ... That's a significant difference, especially on hot summer days. Interestingly, the sunscreen's color can be customized using kaolin pigments to suit ...