Home Cosmetic Science Talk General Niacinamide + Lactic Acid in 1 formulation

  • Niacinamide + Lactic Acid in 1 formulation

    Posted by JPS on July 21, 2023 at 1:13 pm


    I’m creating a water-serum and thinking of incorporating the benefits of Niacinamide and the exfoliating properties of lactic acid. I want to know how to achieve this and/or if it’s a good idea to begin with. I realize that Niacinamide needs a final pH of 6 (correct?). Any insight here would be appreciated!

    JPS replied 4 months, 2 weeks ago 3 Members · 5 Replies
  • 5 Replies
  • graillotion

    July 21, 2023 at 2:06 pm

    Not really correct. Look around at the market! Essentially….mommy blogger lore run amuck. Here is a decent read on the topic: Using Niacinamide in an acidic formulation | Realize Beauty (wordpress.com)

  • fareloz

    July 22, 2023 at 10:29 am

    I wouldn’t use both in the same formula. I know some people claim Niacinamide can be used in low pH formulations, but I still think it doesn’t worth it. Several reasons:

    - Suggested pH for Niacinamide is around 6.0. That’s because Niacinamide has nicotinic acid as impurity and lower pH will boost burning sensation and irritation from it. There are some forms sold by. for example, makingcosmetics, where they claim it has much less of impurity comparing to normal niacinamide.

    - Acids cause irritation. Niacinamide in big doses does it too. Combining both together increase irritation even more. But of course it depends on the percentage.

    - Products, which usually combine niacinamide and big percentage of acids, have niacinamide at the end of the INCI list near preservatives, meaning it is just a claim ingredient and added in 1% or lower.

    • graillotion

      July 22, 2023 at 3:45 pm

      Ahh…Thank you for going the extra mile and pointing out why we never use marketing blurbs from re-packers as our source of science.

      • graillotion

        July 22, 2023 at 4:07 pm

        If we use the re-packer as a data source….we tend to get the first Google search result that a $10.00/hour employee found on the net. It is amazing how deep lore will filter into the system. If we take a little time and go to the mfg…we are more likely to find something like this:

    • JPS

      July 22, 2023 at 5:08 pm

      This is very helpful, thank you!

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