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SODIUM TALLATE.

Valuable CAS 61790-45-2 / CLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

Sodium Tallate is a fatty acid salt derived from Tall Oil, functioning primarily as a versatile surfactant in skincare formulations. It effectively reduces surface tension, facilitating the mixing of oil and water, and acts as a cleansing and emulsifying agent.

Summary

Surfactant Cleansing Agent Emulsifier Foam Booster Viscosity Controller

Science

Mechanism of Action

As a surfactant, Sodium Tallate lowers the surface tension of liquids, allowing for superior mixing of immiscible substances like oil and water. This property makes it an effective cleansing agent, helping to encapsulate and remove dirt, oils, and impurities from the skin. It also functions as an emulsifier, stabilizing product formulations, and serves as a foam-boosting agent while contributing to increased solution viscosity for desirable product textures.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 Oleic acid, a significant component of Tall Oil Acid, demonstrated non-irritating properties in clinical primary and cumulative irritation studies when applied at 100% and 40-50% concentrations in mineral oil.
  2. 02 Mascara formulations containing 2-3% oleic acid showed no treatment-related ocular irritation in 3-week exaggerated-use studies.
  3. 03 In cosmetic formulations ranging from 2-93% concentration, single insult occlusive patch tests and 21-day cumulative irritation studies occasionally produced mild to intense erythema, though these results were generally not directly attributed to the fatty acid components.

Transparency

Dusting Analysis

Not commonly dusted

The provided research data does not offer specific information regarding the 'dusting' potential or thresholds for Sodium Tallate.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Sodium Tallate is soluble in water, with an estimated solubility of 8.169 mg/L at 25 °C. As a salt of fatty acids, it inherently exhibits mild alkalinity. While stable in alkaline pH environments, its pH profile is a crucial formulation consideration for skin applications to maintain skin barrier integrity.

Conflicts

  • High pH environments, which Sodium Tallate can contribute to, may disrupt the skin's natural acidic mantle. This can lead to compromised skin barrier function, increased transepidermal water loss (TEWL), dryness, redness, and irritation.
  • Excessive or aggressive cleansing, often associated with strong cleansing agents like Sodium Tallate, has the potential to disturb the delicate balance of the skin microbiome.

Safety

Safety Profile

CIR Status
Safe as used
Max tested
8%
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that Tall Oil Acid and its salts, including Sodium Tallate, are safe for use in cosmetic and personal care products at current practices of use and concentration, up to 8%. Furthermore, the FDA considers Tall Oil Acid and its ammonium and sodium salts permissible as indirect food additives, and its fatty acids are recognized as 'Generally Recognized as Safe (GRAS)' food additives.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
No Sensitive
Irritancy Low
Comedogenicity Medium

Our Assessment

Verdict

Valuable

Sodium Tallate is a valuable surfactant and cleansing agent, particularly beneficial for oily and normal skin types due to its effective impurity removal; however, its inherent mild alkalinity mandates precise pH management within formulations to safeguard the skin barrier, making it less suitable for dry or sensitive skin.

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