Has anyone used coconut milk for hair straightening? If so, could you pls tell me about ur experienc

As a hairstylist I don't even know how coconut milk will even straighten hair.

Are you talking about permanent or temporary?

For permanent you have to use chemicals. You have to actually change the internal structure of the hair shafts natural bonds.

For temporary use a good flat iron along with a thermal protectant for a nice temporary straightening. I recommend L'oreal Professional Serum as you thermal protectant.