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Home Cosmetic Science Talk Formulating 40% Urea is not dissolving in water phase


  • 40% Urea is not dissolving in water phase

    Posted by ProfessorHerb on October 4, 2022 at 11:37 pm

    Its not dissolving in a hyaluronic acid base with 10% glycerine. It only dissolves with gentle heating.

    ProfessorHerb replied 8 months ago 1 Member · 1 Reply
  • 1 Reply
  • ProfessorHerb

    October 4, 2022 at 11:41 pm

    It sometimes crystalizes by cool down and I have to reheat to dissolve.