[quote=@Poet]
[@VeridianSeeker]The effect and ingredients are good to mention, but the process is individual from person to person, so that can be omitted from any general directory of rituals. I summarized and made shorter what you wrote. Have a look at it and see if it can be added to the OOC information. If you can summarize the process, as well, then that could be added here.

[hider=]
[b]Vague Anatomy [/b]
This hymn will mask scent and body according to environment. Change of environment will make the hidden one more visible. Required ingredients include [i]chalk and charcoal mixture, chalk and lapus lazuli mixture, quartz or marble stone, salt, granulate cinnabar, and select items from the environment[/i]. 
[/hider]
[/quote]

Looks good to me! I didn't know if you wanted to add the whole breathing factor in, I guess it doesn't matter but I thought it made it more interesting.