Sodium Stearyl Lactylate

Sodium Stearyl Lactylate is a food-grade emulsifier and stabilizer derived from lactic acid and stearic acid. In cosmetics, it helps to blend oil and water components, creating stable and smooth product textures. It also has mild moisturizing properties and is generally considered safe for use.

BenefitMinimal 1 / 4

Hydration i0.5 / 4

Whether the ingredient helps increase the skin’s water content — humectants that attract water, ingredients that reduce water loss, or ones that make skin feel less dry.

Texture i0.5 / 4

Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.

RiskVery low 0.2 / 4

Sensitization i0.1 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Irritation i0.1 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• Stabilizes emulsions
• Improves product texture
• Provides mild moisturization

Things to watch

• Low risk of irritation or sensitization

Products with Sodium Stearyl Lactylate

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Frequently asked questions

What is Sodium Stearyl Lactylate?

It is an emulsifier and stabilizer made from lactic acid and stearic acid, commonly used in both food and cosmetic products to help blend ingredients.

What does Sodium Stearyl Lactylate do in skincare?

In skincare, it helps to mix oil and water ingredients, preventing separation and creating a consistent, smooth product texture while offering mild emollient properties.

Is Sodium Stearyl Lactylate safe for sensitive skin?

It is generally considered very mild and safe for most skin types, with a low potential for irritation or sensitization.