@sophixnatural: We ran a side by side: liquid lactic acid (85%) vs. dissolved lactic acid powder (99%, used at 45%). Same pH strip test, similar readings. So which one wins? Honestly, neither. They're just different tools for different formulators. Why lactic acid deserves a spot in your formulation anyway: ✅It's an AHA. So it gently exfoliates by loosening the "glue" between dead skin cells ✅Naturally humectant. So it pulls in moisture while it exfoliates ✅Smaller molecule than glycolic acid, which makes it a bit gentler on the skin barrier ✅Helps support a healthy, slightly acidic skin pH, which is where your skin barrier actually functions best ✅Works well in leave on treatments and rinse off formulations. Liquid (85%): Cheaper per formulation batch ✅ Easier to measure and incorporate, so no dissolving step. Great if you're formulating at small scale and want a straightforward workflow Powder (99%, used at 45%): EXCELLENT value for money once dissolved ✅ Longer shelf stability before use since powder form resists degradation better in storage ✅ More flexible if you're formulating multiple concentrations from one stock Bottom line: pH performance was comparable in our test, so your choice really comes down to your formulation workflow, storage conditions, and budget. Both are solid, both are effective. Shop now on www.sophixnatural.com

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Thursday 10 September 2026 11:01:11 GMT