Non fragranced goat milk lotion - smells a bit sour?

[gouldie]

A few months ago a friend showed me how to make goats milk lotion using fresh goats milk. She generally makes scented ones, but I wanted to roll with non-fragrance and non-coloured - keeping as simple as possible.

The first batch (a few months ago) seemed fine, then recently I made a couple of batches, using the same recipe - fresh goats milk, olive oil, stearic acid, emulsifier and preservative.

The beauty of the lotion was that it had no smell at all - very neutral.

However, about a fortnight after I made it, had a sniff and it smells a bit sour. Still feels really good and the colour (white) and consistency is the same. It's just the smell - a touch weird. Interestingly, the smell disappears from your skin after about 10 minutes.

Any clue what might have caused the sour smell? Do you think I should up the preservative?

Any help or suggestions most gratefully received..

 

[Lindy]

What was the percentage of goat's milk that you used? To make sure your preservative can handle the load you shouldn't be any higher than 12% with the rest being water. So if you used all GM and no water, it is very possible that it has gone "off"....

 

[gouldie]

Thanks for your response Lindy.

Of the ingredients, goats milk was 75% with no water. Interestingly I found another goat milk lotion recipe on this forum. The recipe was not that unlike mine, except the goats milk and water together made up about 75%.

So perhaps that's the clue - dilute it and see how it goes..

Thanks!

 

[gratia]

Whoa, yeah I would be to nervous to make a lotion with that much goat milk. To hard to preserve. I make a 10% goat milk lotion. No sour smell, smells like unscented lotion.