• Formulating

  Mould growth in Aqueous Cream

  Posted by Cherma on January 10, 2024 at 3:24 am

  Hi, I have been making aqueous cream (same formulation) for a couple of years now.

  In September I made a batch of unfragranced cream.

  Customer has reverted saying there is mould growth in cream.

  I have used Euxyl K510 (DMDM Hydantoin & MIT/CMIT) at 0.15% with no issues but in August switched to Elixi-KON BCM ( Euxyl K100 (CMI/MIT in Benzyl Alcohol ) & euxyl K510 ) at 0.15%

  Please advise if change in preservative could be causing this.

  Bluebird replied 3 months, 2 weeks ago 3 Members · 3 Replies
• 3 Replies

• 

  PhilGeis

  Member

  January 10, 2024 at 8:09 am

  Was this changed supported by challenge by data?

• 

  Cherma

  Member

  January 11, 2024 at 1:38 am

  No, supplier assured me as the change happened on their side i.e they discontinued Euxyl K510.

  I

• 

  Bluebird

  Member

  January 14, 2024 at 4:49 am

  Could be that the new preservative mix is more sensitive to the product pH, for there is benzyl alcohol, which may need low pH for efficacy. Just a guess.

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