Potassium Lactate

Potassium Lactate is the potassium salt of lactic acid, a clear, water-soluble humectant and buffering agent. It's included in lotions, gels, and hair products to attract moisture, improve glide, and support formula pH without a heavy feel.
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Ingredient Snapshot

Overview
A humectant that helps skin hold moisture for a smoother, bouncier look.
Category
Hydration, Skin Conditioning
Type
Humectant

Ingredient Ratings

Overall Rating

Great

Comedogenic Risk

None

Skin Benefits

Helps skin retain water for a smoother, bouncier appearance and reduces the sensation of dryness. Also supports comfortable skin feel without heaviness.

Uses In Skincare & Cosmetics

Used in moisturizers, face serums, and hair conditioners to increase hydration levels and improve spreadability on skin or hair.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Usually well tolerated; mild stinging can occur on compromised or very sensitive skin or at higher concentrations. Not known to be photosensitizing or comedogenic at typical levels.

Is Potassium Lactate a Good Ingredient?

It's a well-established humectant related to skin's natural moisturizing factors, with good stability and low irritation at typical use, strong enough across the board to earn a Great rating. It also buffers pH without adding weight.

Products with Potassium Lactate

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