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  • pictureintherain

    Professional Chemist / Formulator
    May 19, 2024 at 6:11 pm in reply to: how to gell 2% salicylic acid solution

    Have you tried Hydroxypropylcellulose?

  • pictureintherain

    Professional Chemist / Formulator
    May 19, 2024 at 5:55 pm in reply to: acceptable conditioning without cationic polymer and silicon

    May we ask what the issue with cationics are? You could try Lamesoft PO 65 for a little bit of refatting in a shampoo but it’s not really going to have the same effect of substantivity conditioning.

  • pictureintherain

    Professional Chemist / Formulator
    May 19, 2024 at 5:26 pm in reply to: Quats e Non- quats

    Olá JR, tudo bem?

    It depends on the overall formula. When using Stearamidopropyl Dimethylamine or Behenamidopropyl Dimethylamine, what else is in the formula? Also, how is the pH? You can make effective conditioners with either of these with the right formula conditions (ie pH between 4 and 5, acid up front, fatty alcohol and a little bit of emollient.)

    And for Brassicyl Isoleucinate Esylate - Inolex has a new version of this called Aminosensyl Ultra that’s marketed to have comparable performance to Behentrimonium Chloride. You may want to look at this as an option. I’ve tried it, and while it is not exactly a 1:1 performance comparison, you could still make a nice conditioner formula with this.

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