sometimes repeated exposure causes a sensitivity to develop, but if that were the case it would usually bother someone everywhere, not just the privates. More than likely it is the type of eo and /or the amount you used. Make sure you check the IFRA recommended amount for the category of the product you are making (so soap would be a 9) and to not use over that amount. Of course it is possible that she was just a little more....shall we say, thorough this washing, so the soap was in contact with more sensitive skin than it was last time. I would check the percentages of the eo's you used and if those are in line I would then mark it up to an issue with the tester.
_________________ Remember, it's not just that we weather the storm, but how we dance in the rain.
Tammy
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