Usage patterns
〈物〉の見てくれがいい(something) looks good on the outside
This car looks good, but its fuel economy is poor.
見てくれを気にするto worry about how something looks
He worries too much about appearances.
見てくれだけで〈物〉を判断するto judge something by its looks alone
You shouldn't judge a product by its appearance alone.
見てくれにこだわるto be particular about how something looks
She is particular about how her clothes look.