Common Mistakes : Hair
noun
.BAD: He had a black hair and very clear eyes .GOOD: He had black hair and very clear eyes
.BAD: Her beautiful blond hairs were shining in the sun .GOOD: Her beautiful blond hair was shining in the sun
: When you mean ‘a single hair’ or ‘several individual hairs’, hair is a countable noun .There was a long black hair in my soup .Stand still and I’ll brush the hairs off your jacket
: When you mean ‘all the hair on a person’s head’, hair is uncountable ?Where do you go to have your hair cut