Best type of (denatured) alcohol for use in a topical?

ZinkZink Member
edited December 2014 in Formulating
There's a range of denatured alcohols available for formulators, e.g. perfumers alcohol containing 0.12% t-butyl alcohol and 0.0006% Bitrex (Denatonium Benzoate). 

My question is, what type(s) of denatured alcohol are most suitable for use in a topical for e.g. face skin and where/how can you get it? 


Comments

  • do we have types of denatured? I didnt know...here I just buy denatured alcohol and dont care which percentages of bitrex or any other material it has
  • Unless you are planning to export "drinkers perfume" to Saudi Arabia, why not just use regular ethanol?
    Cosmetic Brand Creation. Concept to name to IMPI search to logo and brand registration. In-house graphic design inc. Pantone specs. Cosmetic label and box design & graphics.
  • Bill_TogeBill_Toge Member, Professional Chemist
    @Zink, which country/geographic region is your product intended to be marketed in?
    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
  • USA. Which regular ethanol, Belassi?
  • ethanol is ethanol ... C2H5OH. I buy 90% pure ethanol (no denaturing additives) from one or other of the chemical factors. However I only use it for container sterilisation.
    Cosmetic Brand Creation. Concept to name to IMPI search to logo and brand registration. In-house graphic design inc. Pantone specs. Cosmetic label and box design & graphics.
  • Bill_TogeBill_Toge Member, Professional Chemist
    edited December 2014
    in which case, you can find all the denatured alcohol formulas that are authorised for use in lotions and creams in 27 CFR part 21, subsection D
    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
  • Depending on volumes, using drinkers alcohol can be an issue.  This is taxed extensively and can be very expensive.
    Denatured alcohol is not consumable so it does not incur the taxes.
    We use SDA 40B and occasionally SDA 38A as the smell is not very strong.
    Certified organic denatured alcohol is also available.

    John
    Biddiscombe Labs
    www.biddiscombe.com
    John Melville www.biddiscombe.com
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