How can I get healthy hair?

I tease my hair and it is falling out. What products work real good without costing a million dollars.How can I get healthy hair?
stop teasing it for a strat n start washing it int he nights umm every other nights n use loads of conditioner n go to bed with it damp dont blowdry it n stop straightening n blowdrying it for a while x if it gets greasy just scrape it back up intoa high ponytail like this


http://www.hothair.co.uk/images/P/long_c鈥?/a>


or this


http://styletips101.com/wp-content/uploa鈥?/a>