was fine the first day because the process requires you to ... [SEP] Product does not work if you have curly/wavy hair and there is any humidity in the air at all.  I followed the directions precisely, was fine the first day because the process requires you to flat iron hair.  However, any subsequent days after if you have curl or wave in your hair and there is any humidity (I live in San Diego so humidity is pretty low) this will not work.  Doesn't add shine.