Potassium Lactate
A salt of lactic acid and a component of the skin's natural moisturizing factor. It holds water and supports the hydration of the stratum corneum. It also adjusts formula pH.
Evidence by route
Topical application
An NMF-type humectant and pH adjuster. Safe, well tolerated.
- CIR Cosmetic Ingredient Review safety assessment
How to read tiers A–F
- BLimited evidence. One RCT or several controlled studies with limitations
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
Frequently asked questions
Is Potassium Lactate safe during pregnancy?
Potassium Lactate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Potassium Lactate for?
Potassium Lactate suits: normal, dry, combination, oily, sensitive.
What is Potassium Lactate and what does it do in cosmetics?
A salt of lactic acid and a component of the skin's natural moisturizing factor.
What's the INCI name for Potassium Lactate?
The INCI name is Potassium Lactate.
See Potassium Lactate in a product composition right on the store page
The Evigrade extension adds an evidence panel to iHerb, Sephora, Druni and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Similar role in the formula
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Ingredients in the same category
Potassium PCA, PPG-15 Stearyl Ether, PPG-20 Methyl Glucose Ether, PPG-24-Glycereth-24, Xylose, Cetyl Palmitate, Grape Seed Oil, Lanolin
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