I have often wondered about this.
I remember the days of single digit SPF values.
When did SPF50 become the norm?
#askNostr
I have often wondered about this.
I remember the days of single digit SPF values.
When did SPF50 become the norm?
#askNostr

I'm out in the field 12 hours a day with no sunscreen in Wyoming at 6800 ft, no problem!