Sodium Lactate is the sodium salt of lactic acid, a natural component of the skin's Natural Moisturizing Factor (NMF). It is an excellent humectant, attracting and holding moisture in the skin, which helps to keep it hydrated and supple. It also functions as a pH regulator in cosmetic formulations, helping to maintain the product's stability and effectiveness.
NoneHumectant, pH regulatorEvidence: High
BenefitGood 2.5 / 4
Hydration
Soothing
Texture
RiskVery low 0 / 4
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
provides intense hydration
supports skin barrier
pH regulator
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While both are derived from lactic acid, Sodium Lactate is a salt and primarily functions as a humectant and pH buffer, providing hydration without the exfoliating properties of Lactic Acid. Lactic Acid, an AHA, is primarily used for exfoliation and can be more irritating at higher concentrations.
Is Sodium Lactate suitable for sensitive skin?
Yes, as a component of the skin's natural moisturizing factor, Sodium Lactate is generally well-tolerated and considered suitable for sensitive skin. It provides hydration without the potential irritation associated with exfoliating acids.