Any yaoi that involves something to do with hair or hair hairdressers?

I know a shoujo one if that's ok with you. It's called Beauty Pop.

http://www.mangago.me/read-manga/kouun_no_rihatsushi/

Color Recipe by Harada!

http://www.mangago.me/read-manga/fudanshi_kun_no_honey_days/

http://www.mangago.me/read-manga/taikutsu_wa_warawanai/

It's a oneshot though.

http://www.mangago.me/read-manga/beauty_stock/

It has a happy ending, a beautiful past, and a sad present AND IT'S SO FUNNY!! I hope you cry as much as I did because it's amazing :') http://www.mangago.me/read-manga/shinobeba_koi/