Which scientific product's marketing campaign first successfully convinced mainstream consumers to regularly apply a substance that blocks a natural biological process?

In the competitive world of science and technology, marketing campaigns can make or break a product's success. Some innovative marketing strategies have helped scientific breakthroughs reach mainstream adoption faster than others. This poll tests your knowledge about one of the most successful science product marketing campaigns in recent history that fundamentally changed consumer behavior.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Sunscreen (blocking UV absorption)
Antiperspirant deodorants (blocking sweat gland function)
Artificial sweeteners (blocking sugar metabolism)
Hair removal creams (blocking protein structure)