DandyFormulator
Forum Replies Created
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Thanks everyone! I will let you know what I find.
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@Milliachemist is correct. It is happening on storage of the material. I think the laurel alcohol is separating and precipitating out. Is it still salvegable?
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That is my next step, Bob. I was just wondering if anyone has seen this type of thing happen in an emulsion, and is a pH drop like that a destabilization route?
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Hi All! Sorry I wasn’t able to get back to you until now. Here is the breakdown of the fomrula:
Acrylates/C10-30 Alkyl Acrylate Crosspolymer 0.1 (not actually a carbomer)
Arnica Extract 0.1
Cetearyl Alcohol & Polysorbate 60 6.0
Polysorbate 80 4.0
Methyl Salicylate 10.0
Vanillyl Butyl Ether 0.4
Glyceryl Stearate 3.0
Isopentyl Diol 2.0
o-Cymen-5-ol (preservative) 0.1
Ethylhexylglycerin (preservative) 0.75
AMP (sorry - not actually TEA!) 0.09
The formula started out at a pH of about 7, and over 2 months has dropped to about 5.7. I don’t understand.
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Mike, I’m just looking for alternate suppliers for a variety of ingredients. For example, there should be a variety of suppliers for capsaicin, but the INCI database only lists one, and the CBR doesn’t list any. Innovadex lists one other. Aren’t there any others?
Thanks Alyla! I forgot to say that I look there too
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Check out http://www.pedigenix.com. There is a line of foot care products, and one is an excellent moisturizer.
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Using a higher HLB emulsifier worked! I had requested some previously, then came in this morning, and they were sitting on my desk. I couldn’t wait to try them out! I have also requested a sample of the Pemulen TR-2, so I will evaluate that as well when it arrives. Thanks everyone for the suggestions!
The ester I am using is methyl salicylate for Mike, who requested that information.