"I like your hair" is correct. Assuming you end the sentence with a period, the only correction your question needs is to capitalize the first word, "I", which is capitalized wherever it occurs--not just at the beginning of a sentence.
Hair dye is how you spell it.
Blond hair.
That looks a bit like the word 'hirsute' meaning covered with hair.
it wasn't a spell but rather a large amount of Sleekeazy's Hair Potion
Hair is the correct spelling
The word is spelled straight in "straight hair".
"Hare", if you mean the rabbit
The likely word may be cilia, hair-like projections from cell surfaces (singular cilium)
I'd like to know it!
The usual term (though colloquial) is "highlighted hair" for lightened hair.
my aunt has brown hair
That is HAIRDO (a hairstyle).