What function does this cream have? 这种面霜有什么功能？  

This is whitening and hydrating cream. 这是美白保湿面霜。 

I think I need an antiwrinkle cream. 我想我需要抗皱的面霜。

This kind of mask provides emergency care for sun-damaged skin. 这种面膜可以紧急修复阳光损伤的皮肤。

I got sunburn on my cheeks. 我的面颊晒伤了。

This kind of mask provides emergency care for sundamaged skin. 这种面膜可以紧急修复阳光损伤的皮肤。

Do I need to use it every day? 我需要每天使用它吗？