Sodium Palmitate

What is Sodium Palmitate?

Sodium Palmitate is the sodium salt of palmitic acid, a saturated fatty acid abundant in palm kernel oil, coconut oil, and other natural lipid sources. Produced through saponification—reacting the fatty acid with sodium hydroxide—it forms a solid, waxy substance used mainly in bar soaps, facial cleansers, and body washes. As an anionic surfactant, it disrupts the skin's oil barrier temporarily, allowing water to mix with sebum and dirt for easy rinsing. In formulations, it stabilizes oil-in-water emulsions by forming protective films around droplets and modifies viscosity to achieve spreadable consistencies. Its mild nature stems from the long carbon chain, making it ideal for everyday rinse-off products where quick lathering and residue-free results are desired, without harsh stripping.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Surfactant
Lowers surface tension to enable cleansing, emulsifying, and foaming; central to shampoos, body washes, and many emulsions and micellar systems.
Cleansing agent
Removes dirt, oil, and impurities by lowering surface tension and forming micelles, enabling soils to be lifted and rinsed away from skin, hair, or teeth.
Emulsifying agent
Enables stable mixing of oil and water phases by forming an interfacial film, helping create lotions, creams, and cleansers with consistent texture.
Viscosity controlling agent
Adjusts thickness to the desired level for stability and usability, improving dispensing, suspension, and texture across many formulation types.

Benefits

Delivers effective cleansing by lifting dirt and oils from skin surfaces.

Supports stable lotion and cream textures through emulsification.

Enhances product thickness for better application and feel.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals seeking reliable cleansing in daily washes and shampoos.
Those with allergies to palmitic acid or related fatty acids.
Users of emulsions like lotions needing consistent stability.
People with extremely dry skin sensitive to soap-based cleansers.
People preferring formulations with low pore-clogging potential.
Individuals experiencing irritation from high-pH rinse-off products.

Safety Notes

  • Considered low hazard in cosmetic concentrations, especially rinse-off uses.
  • Non-comedogenic profile supports use across skin types.

Frequently Asked Questions about Sodium Palmitate

What does Sodium Palmitate do in products?

It cleanses by reducing surface tension, emulsifies oils and water, and controls thickness for smooth textures.

Is Sodium Palmitate safe for sensitive skin?

Generally low irritation potential in rinse-off items, but patch test if prone to soap reactions.

Where is Sodium Palmitate sourced from?

Derived from palmitic acid in plant oils like palm and coconut via saponification.