• Formulating

  Does solution of 1% powdered dye need preservative?

  Posted by abdullah on November 1, 2021 at 9:03 am

  Just to know, if i make a solution of 1% powdered dye in water and store it for later use in shampoo and lotion, does it need preservative?

  abdullah replied 1 year, 10 months ago 2 Members · 2 Replies

  • dye
  • preservative
• 2 Replies

• 

  philgeis

  Member

  November 1, 2021 at 9:46 am

  yes

• 

  abdullah

  Member

  November 1, 2021 at 10:43 am

  @PhilGeis thanks

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