Home Cosmetic Science Talk Formulating Shave Cream Stability

  • Shave Cream Stability

    Posted by chemist1 on March 19, 2019 at 3:44 pm

    I am having issues with stability on a tubed shave cream that I have been working on recently.  At 45C, the viscosity increases dramatically,  At 25C, the viscosity drops by half.  Please see the attached formula.

    Water - QS

    Guar Hydroxypropyltrimonium chloride - 0.3%

    SCI - 27%

    Stearic Acid - 3%

    Glycol Distearate - 5%

    Cetearyl Alcohol - 2.25%

    Dimethicone - 0.25%

    NaOH (25%) - QS to pH 6.0 - 7.0

    Phenoxyethanol and Ethylhexylglycerin - 1%

    Any ideas on how to stabilize this type of formula?

    chemist1 replied 5 years ago 1 Member · 0 Replies
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