BCBull
Forum Replies Created
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@012 I’m not talking about Euxyl PE9010, but Euxyl K712! It is a natural preservative. You can also try Lonza’s Geogard ECT.
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@nkem from my experience with this preservative usually it’s not enough. Mikrokill COS works better as a stand-alone preservative. You can strengthen your system by adding another preservative (like Glyceryl Caprylate for example) or change to parabens blend (best choice for my opinion if you don’t have to stick to “PF” claim)
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@012 try using a Hydroxyethylcellulose (Natrosol HHBR) at 1%-1.2% to create a natural gel. Premix Natrosol in 3-5% Propanediol and add to hot water, then mix until gel forms.
If you want natural/organic product, phenoxyethanol is not an option! You can try using Potassium sorbate/sodium benzoate mix (Euxyl K712)m but pH should be below 6.
To raise pH I suggest Sodium Hydroxide 15-20% solution. It’s safer then KOH. -
@ngarayeva001, for me the formula looks nice, except too many different thickeners: xanthan gum, carbomer, acrylates together with cetyl/cetearyl alcohol. I guess it’s pretty heavy. I would consider excluding some of them, like xanthan gum and/or carbomer.
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Do bigger batch and check if there’ll be more victims ))))
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So, like Perry said, it can be for any one of the ingredients listed, especially if you talking about only one case. Anyway, I would recommend to ask your clients to try your new products in some sensitive place, like behind the ear, before they start using it. This is from my many years experience in cooperating with a cosmeticians )))). About Bisabolol, can’t remember any case caused an allergic to anyone, on a contrary, it often used as a soothing, anti-itching component.
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Hello,
Maybe there is not enough preservatives and the product got deteriorated with time. Another reason maybe an individual allergic reaction to a rosehip oil, like for many other Rose derivatives. How many customers complained about the allergic reaction?
The last one I can think of and the less likely, is a reaction to glabridin found in Licorice root (why do u need it here?). It inhibits melanogenesis and an exposure to sun light could cause some unrests, if not used any sun protection. But as I said, it’s not likely…