You're free to hold these "beliefs" but they are patently and completely incorrect. The "base tan" theory was debunked decades ago.

"What I find personally works..." is ridiculous when it comes to sun damage and skin cancer, unless you are a wild outlier of humanity or a mutant. The simple answer is it takes some (but not much!) time to see the damage and you're likely to encounter it sooner or later.

>> Obviously people make money when you buy sunscreen so the message that you don't need it doesn't get a lot of amplification.

Yes, a shadow-global-conspiracy promoted by the mega-national sunscreen cabal. That's the most likely answer.