• Formulating

  Do i need a penetration enhancer in this niacinamide serum?

  Posted by Abdullah on June 22, 2025 at 3:47 am

  This is a serum that i make

  Niacinamide 5%

  Lactic acid 5% active

  Phenoxyethanol 0.5%

  Salicylic acid 0.1%

  Peg12 dimethicone 0.1%

  Citric acid 0.2%

  Sodium hydroxide to pH 4.

  Water

  Package 120ml flip top cap bottle.

  Question:

  Do i need to use a penetration enhancer like DMI for niacinamide to work better or it is not needed?

  Abdullah replied 3 hours, 46 minutes ago 1 Member · 0 Replies
• 0 Replies

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