What does sodium lactate do in skincare?

It's a humectant derived from lactic acid that draws moisture into the skin, helping with hydration. It also has gentle exfoliating properties at higher concentrations.

Is sodium lactate irritating?

Sodium lactate is generally well-tolerated, though it's derived from an alpha hydroxy acid, so very sensitive skin might experience mild irritation. Published data does not show widespread sensitivity concerns.

humectant

Sodium Lactate

Generally safe·Strong evidence

The sodium salt of lactic acid and a key component of the skin barrier and natural moisturizing factor that attracts water to the skin. It is well established as a safe and effective humectant with no known hazards at cosmetic concentrations.

Questions

What does sodium lactate do in skincare?: It's a humectant derived from lactic acid that draws moisture into the skin, helping with hydration. It also has gentle exfoliating properties at higher concentrations.
Is sodium lactate irritating?: Sodium lactate is generally well-tolerated, though it's derived from an alpha hydroxy acid, so very sensitive skin might experience mild irritation. Published data does not show widespread sensitivity concerns.

Products with Sodium Lactate

References

Cosmetic information for general education, not medical advice. A verdict is a reading of the published evidence, never a guarantee for your skin: any ingredient can irritate someone, so patch test new products and see a professional if you react. Concern is graded on cited evidence, never on hazard-score lists. See how we score.