Need help with preservative system
need product (shampoo) to be PEG, Propylene Glycol and Paraben free; finished product = 5.5 – 6
EU regulations say can only use 0.02 IDBC
Would an appropriate preservative system be:
1.0 Euxyl® PE 9010 (Phenoxyethanol, Ethylhexylglycerin)
0.02 Glycacil L (Iodopropynyl Butylcarbamate)
Can pentylene glycol be added or is it too similar chemically to propylene glycol.
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