Does anti wrinkle cream really work?

I heard somewhere that you should start using anti wrinkle cream in your mid 20′s. I have started using an anti wrinkle moisturizer daily, one for the day and one for night. I’m 25. I have always looked pretty young for my age but I’ve started to notice "laugh lines" on the sides of my eyes and around my mouth when I smile.
Does it really work?
What is it that makes it work?
Does it matter what kind I use?

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