A dermatologist told Business Insider sunscreen is the most important part of her routine. Everyone's skin wrinkles as they age, but genes, UV exposure, and repeated facial expressions can govern how deep they are and how many develop. Many people turn to "antiaging" creams and beauty products to lessen the appearance of wrinkles — in 2023, facial antiaging products made over $1 billion in the US, according to Statista. But because the Food and Drug Administration doesn't evaluate beauty products for effectiveness, there's no guarantee they will reduce wrinkles. This story is available exclusively to Business Insider subscribers.

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Persons: TikTokers, —, Sarah Palmyra, couldn't Organizations: Service, and Drug Administration, Business