A hugely useful document that explains how to calculate the percentages of ingredients used in your final formulas.

Find out how to easily calculate how much essential oil or preservative you should use.

Quickly and easily calculate your ingredient percentages for your safety assessment.

Please note that this information is also available in the Creams, Lotions and Body Butters Technical Manual. 

Once your order has been processed and completed a link to your file will be emailed to you.  The file will also be accessible via your login area.