Sodium Chloride, commonly known as table salt, is an inorganic compound used in skincare and hair care formulations. In aqueous systems, it functions as a cost-effective thickening agent by modulating micelle structures — especially in surfactant-rich products like shampoos, body washes, and cleansers — modifying texture and viscosity. It also serves as a binding and bulking agent, aiding in the formation of cohesive products such as solid bars and scrubs, while improving product density and final structural integrity.
In haircare and scalp products, sodium chloride can act as a mild exfoliant and cleanser. In scrub formats, its crystalline form provides mechanical exfoliation, helping to remove dead skin cells. Additionally, in rinse-off treatments like saline washes, it enhances scalp clarity, potentially reducing buildup and soothing sensitivity. When properly balanced, sodium chloride supports clean performance, sensory appeal, and formulation stability.
Quick Insights
Ingredient Rating:
GOOD
Type of Ingredient:
Texture Enhancer, Cleansing Agent, Soother and Emulsifier
Intended Function:
To manage viscosity, texture, and cohesion in cosmetic emulsions and gels; in scrub formulations, to exfoliate and purify gently.
Common Applications:
Found in shampoos, body washes, shower gels, facial cleansers, emulsions, scrub bars, bath salts, and formulations requiring viscosity modulation or mild exfoliation.
Target Audience:
Ideal for brands creating cleanse-focused, sensorially appealing skincare or haircare products, especially those aiming for efficient texture control and gentle physical exfoliation without complex actives.
Also Known As:
Common Salt, Natrii Chloridum.
Safety Analysis
Sodium Chloride is generally considered safe, inert, and non-toxic — recognized by the FDA as Generally Regarded as Safe (GRAS). In cosmetic concentrations, it presents minimal irritation risk, though excessive use may contribute to dryness or scalp sensitivity in some formulations. Its simplicity and established safety profile make it easy to integrate into clean-label products, though caution is advised for high-exposure products (e.g., leave-on items).
References
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