How do anti wrinkle creams work?

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Sorry if it’s been asked before but how do anti wrinkle creams work ? How does any application on the outside affect any cellular level changes? Thanks

In: Biology
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Anti wrinkle creams usualy contain hyaluronic acid.

Hyaluronic acid traps water and as it is doing that it also adds volume to the epidermis (top layer of the skin). That leads to a real effect of wrinkles becoming more subtle. It really does not have any lasting effects, just temporary effect that is caused by drawing in water to the epidermis.

best real way to prevent wrinkles from forming is using sunscreen and staying out of the sun.