I have 2 c hair. Its wavy but there are definitely some ringlets or what I call 'spirals' mixed in. They used to show up only after doing baking soda, but now that I have had a shower filter for a few months, I get them more and more.
2c thick, heavy waves. Started CG (lo poo) in July '07. before that I straightened it and used hot rollers for years. pw wavy