Does wearing suntan location spf 40 prevent sun tan?
it may be a dumb question but I really dont know.. What spf is locked to get a tan
Answer:
My right knees smetimes locks when sleeping on my right side.?
Your skin will still tan, and as long as you are out individual reasonable times next to 40 SPF you will not burn. Reasonable means not more than an hour or two.
Sun stroke can be horrible. Been nearby and done that twice.