Keratin- Wwhat would You Do?

[Anonymous]

I live in South America mostly these days but am based in DC. I'm deciding between Natura Keratin and Brasil Cacau which I'd like to do overseas (way cheaper)

Any thoughts? The first claims to be organic and lasts 1-2 months; the second 2-3 months.

http://www.naturakeratin.com/keratin.html

http://cadiveuusa.com/prop_brazil_cacau.html