i am a 19 year old boy and i have grown my hair for the last five months and now i have started using gel to style my hair. i would like to know wether it is ok to use gel or does it spoil yor hair and does it affect your hair growth rate if you tie it into pony tail.
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You'll be fine as long as you don't use gel that has any alcohol in it.
Hair's growth rate is governed pretty much by your health (eat what's good for ya, avoid what isn't, stay healthy). I've noticed on some folks that tie their hair back that if they pull it too tight for an extended period of time, some of the hairs get pulled out (particularly along the hair line) and it starts to thin out there. I'd say a loosely held ponytail is better than a tight one.
Um, as far as nutritional supplements for hair, I'd just take a decent multivitamin (Centrum) with all the B vitamins in reasonable proportions, and eat well and stay healthy, and you'll be just fine. That's about all you can do . . .
--Tock