why face mask giving a burning sensation to some

ing: honey kaolin clay coffee infusion ground coffee limonene 1% of volume bentonite clay caffeine powder vetiver oil vanilla absolute rosted coffee extract phenoxyethanol 0.5%

Comments

  • bentonite
    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.
  • PerryPerry Administrator, Professional Chemist
    or Phenoxyethanol can do this too.
  • MarkBroussardMarkBroussard Member, Professional Chemist
    Jesus ... it's the limonene.  You're lucky only a few people are experiencing a burning sensation.  
    Chemist/Microbiologist formulating in the Organic & Naturals arena under ECOCert/Natural Products Assn/Whole Foods/National Organic Program guidelines focused skincare & haircare products. 

    See website for details www.desertinbloomcosmeticslab.com
  • PerryPerry Administrator, Professional Chemist
    I agree, limonene is probably the most likely cause.
  • Bill_TogeBill_Toge Member, Professional Chemist
    +1 for limonene
    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
  • i'm thankful to you all for taking out ur time and reply !... @belassi .. i m not so sure as we have put bentonite in other masks and no issues et al.. may b the acid structure is different here which doesnt burn in case of bentonite.. and with limonene only we tested it and didnt experience any burn...so far we believe and after hit and trial come to the conclusion its phenoxy...any suggestion friends wat preserative we can use instead of phenoxy which doesnt burn or can we neutralize phenoxy in this case with ethyhexylglycerin or any other?
  • Parabens.
  • @ngarayeva001.. Should i use propyl or methyl or combination of both and upto what percentage we should test it? 
  • ngarayeva001ngarayeva001 Member
    edited September 2018
    I would advice to buy a ready mix. I use Paraben DU (Propylparaben, methylparaben, diazolidinyl urea, propylene glycol) by makingcosmetics. I like it because it doesn't change viscosity of the product, easy to use, effective at a low % and has less strong odour than preservatives with phenoxyethanol. Regarding percentages, follow recommendations of the supplier (0.3-1%). A product pacakged in an airless pump requires less preservative than a product in a jar. I don't have a lot of experience with clays, but I heard it's difficult to preserve them, pkus you have a lot of other food for bacteria in your formula, so maybe you should use close to the max recommended amount. Do some research on preserving products with clays.
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