What's wrong with "sunscream"
What kind of error is it?

It's a misspelling and mishearing error
Why do people make this mistake?
The error occurs because the word "sunscreen" phonetically resembles "sunscream", and people may misunderstand or mishear the correct term, especially since "sunscreen" describes a cream or lotion
What is correct?
The correct word is "sunscreen", which refers to a lotion or cream applied to the skin to protect it from the sun's ultraviolet rays.
Examples of correct usage
- Please apply sunscreen before going outside.
- She always carries sunscreen in her bag during summer.
- Using sunscreen can help prevent sunburn.