what What vitamin helps stretch out/soften new growth?

[curlygirl493]

i currently relax my hair ever 2 months, i would like to stretch to four months.i have very thick hair, that become hard to maintain after six weeks. could some tell me what it is, the over all effect and the, and side effects? thanks

 

[Isis]

I don't know of any particular vitamin except some of the ladies here take MSM and say that it sofens new growth successfully.