Amodimethicone viscosity for hair conditioning

AbdullahAbdullah Member
in Formulating
I am going to purchase Amodimethicone emulsion to use in Shampoo instead of polyquaternium 10. There are different viscosities.

Which Amodimethicone emulsion viscosity is better for hair conditioning in Shampoo? 

Higher or lower viscosity?
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Comments

  • Dr Catherine PrattDr Catherine Pratt Member
    Probably cyclomethicone!!
    Dr. Catherine Pratt
    (B.Sc with HONS I , Ph.D Analytical/Organic Chem and Microbiology), Cosmetic Chemistry IPCS)
  • EVchemEVchem Member
    My Dow rep told me the 3500 cSt was most common
  • ngarayeva001ngarayeva001 Member
    Is it pure amodimethicone not in an emulsion? Emulsified versions are usually used in shampoos. Like this one https://www.ulprospector.com/en/eu/PersonalCare/Detail/1021/42597/SilCare-Silicone-SEA
  • ngarayeva001ngarayeva001 Member
    @Dr Catherine Pratt, D4, D5 and D6 are not allowed in wash-off products in EU. So market should be taken into account.
  • Bill_TogeBill_Toge Member, Professional Chemist
    check the emulsifiers; in my experience, amodimethicone is usually dispersed in a cationic emulsion, making it completely useless in shampoo
    UK based formulation chemist. Strongest subjects: hair styling, hair bleaches, hair dyes (oxidative and non-oxidative) I know some stuff about: EU regulations, emulsions (O/W and W/O), toothpaste, mouthwash, shampoos, other toiletries
  • ngarayeva001ngarayeva001 Member
    @Bill_Toge, may I ask why being in emulsion makes it useless? I often notice it in commercial products and I feel it adds slip during washing, although I totally understand that anecdotal evidence isn’t an evidence.
  • AbdullahAbdullah Member
    @ngarayeva001 they have both pure Amodimethicone and emulsions but want to purchase the emulsion for my Shampoo. I currently use pq10.
    They have viscosities from 1000 up to 100000 cst. Unlike dimethicone the price increases when viscosity increases. 
  • AbdullahAbdullah Member
    @Dr Catherine Pratt i want it to stay in hair
  • AbdullahAbdullah Member
    @Bill_Toge the emulsion has %30 Amodimethicone and %2 Cetrimonium Chloride. 
    I wat to add it at %1 which becomes %0.3 Amodimethicone and %0.02 Cetrimonium Chloride. 
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