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limit of Benzyl alcohol
can use Benzyl alcohol more than 1% in cream/Cosmetic product?Is there any limit? -
6 Replies
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According to handbook of pharmaceutical excipients, up to 3% as preservative.
I have seen formulations with 2% several times -
See the CIR report. https://online.personalcarecouncil.org/ctfa-static/online/lists/cir-pdfs/pr323.pdf The EU restricts preservative use to 1%. (unless they changed since 1995. The report also says it is safe for use up to 5% in many applications.
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@Perry if you use several preservatives in one product,
is that 1% upper limit per preservative, or 1% total preservatives added? -
@Gunther - EU regs are not my specialty so I don’t know for sure. The way I read it is that the limit of Benzyl Alcohol for preservation purposes is 1% of itself.
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It is true as a preservative limit is 1% in pharma in india.But as @em88 & @perry 3% can be used as solventLink shows more than 3% make irritation. -
…Benzyl alcohol has been found to be irritating to the skin at levels 3% or greater. Patch test with 0.65% benzyl alcohol did not produce irritation of the skin…
https://toxnet.nlm.nih.gov/cgi-bin/sis/search/a?dbs+hsdb:@term+@DOCNO+46While that was patch testing, where the occlusion with adhesive tape causes more irritation that normal topical use,
it’s best to limit BA below 0.65%
You can use BA along other preservatives, like Potassium sorbate, or Sodium Benzoate.
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