1) As I understand it, a preservative is necessary for any product that either contains water or will be exposed to water, incl. steam from the shower. Is this the only "rule" or is it safer to use a preservative in other products as well (e.g., lotion bars)?

2) I used Phenonip in my first lotion recipe at +1%, but have seen others that suggest Gerbamen II, Germal and one or two more. Can anyone explain when you should use which one and why?

Thanks So Much!

Epiphaneee

Phenonip, is a wide range preservative. It "covers" more bases. And is the best choice when making things that are done over high heat.

Germaben is good for lotions and creams.

Germall II is good for powders, clay masks and things like that.

Here is a place to start http://www.kangarooblue.com/index.php?main_page=index&cPath=74

Or
http://www.wholesalesuppliesplus.com/StoreCategory.aspx?CategoryID=811&CategoryName=Preservatives

or you could google it :)

HTH!

oh another
Majestic Mountain Sage