CAS number : 97375-27-4
Surfactants : Sodium Coco-Sulfate
Sodium Coco-Sulfate (SCS) is the sodium salt of the sulfate ester derived from coconut alcohol. This anionic surfactant, commonly found in a fine noodle form, is used for its ability to create foam and cleanse the skin and hair. As a member of the alkyl sulfates family, Sodium Coco-Sulfate is composed of fatty alcohols linked to a sulfate group. The fatty alcohols in ingredients labeled with “Coco” are sourced from coconut oil. Its main function is to act as a foaming agent in personal cleansing products.
Purpose
The primary purpose of Sodium Coco-Sulfate (SCS) is to serve as a surfactant, specifically a foaming and cleansing agent. It helps create rich lather and effectively removes dirt, oil, and impurities from the skin and hair, making it a key ingredient in personal care products.
Origin
Sodium alkyl sulfates are created by reacting alkyl alcohol with a precise amount of sulfuric acid, neutralizing the reaction mixture with sodium hydroxide, and quickly filtering it. The resulting filtrate is then cooled and evaporated to produce crystals.
Sodium Coco-Sulfate differs from sodium lauryl sulfate in that it retains the higher molecular weight fatty acids naturally found in Cocos Nucifera (coconut) oil during production. This results in cleansers made with Sodium Coco-Sulfate having a richer, creamier foam and often appearing translucent instead of clear.
| Feature | Description |
| Name | Sodium Coco-Sulfate (SCS) |
| Type | Surfactant, cleansing agent |
| Odor | Mild, characteristic coconut scent (due to the coconut-derived source) |
| Color | White to off-white |
| Physical form | White flakes, powder, or pastille form |
| PH value | 9.0 to 11.0 |
| Heat Sensitivity | Moderately heat-sensitive |
| Function | Acts as a surfactant, helping to cleanse the skin and hair by emulsifying oils and dirt. |
| Benefit | Provides good foaming properties, effectively removes oils and dirt, and offers mild cleansing action compared to harsher surfactants like Sodium Lauryl Sulfate (SLS) |
| Melting Point | 260°C |
| Concentration | 0.3% to 29.0% |
| Solubility | Soluble in water; it is an anionic surfactant, meaning it dissolves easily in aqueous formulations |
| Chemical Properties | Anionic surfactant; sulfate ester of coconut fatty alcohol. It contains a sulfate group that helps in emulsifying oils and cleaning |
Surfactant and Foaming Agent
Sodium Coco-Sulfate (SCS) is an anionic surfactant, meaning it carries a negative charge that enables it to interact effectively with oils, dirt, and other impurities. This unique property helps SCS break down these substances, allowing them to be easily rinsed away. SCS is an excellent foaming agent, creating rich, creamy lather in personal care products like shampoos, body washes, and facial cleansers.
Mild and Skin-Friendly
One of the standout features of SCS is its mildness compared to traditional surfactants like Sodium Lauryl Sulfate (SLS). SCS is much less likely to irritate sensitive skin or scalp. This gentle nature makes it ideal for daily use in personal care products, especially for individuals with sensitive or dry skin. It cleanses effectively without stripping the skin of its natural oils, helping to preserve its moisture balance and overall health.
Eco-Friendly and Sustainable Source
SCS is derived from coconut oil, a renewable, sustainable resource that has a lower environmental impact than palm oil. By using coconut oil as its source, SCS provides an eco-conscious alternative to many other surfactants, contributing to reduced deforestation and biodiversity loss often associated with palm oil production. Moreover, as a biodegradable ingredient, SCS poses minimal environmental risk once it is rinsed down the drain.
Versatility in Product Formulations
Sodium Coco-Sulfate is a highly versatile ingredient, used in a wide variety of concentrations ranging from 0.3% to 29%, depending on the intended product application. Its multifunctional role as a cleanser, emulsifier, and foaming agent makes it a staple ingredient in many cosmetic formulations.
Enhanced Texture and Stability
SCS contributes to improved product texture by producing a thicker, creamier consistency, which not only feels luxurious but also makes the product more pleasant to use. Its emulsifying properties help stabilize formulations, ensuring that the oil and water phases of a product remain well-mixed. This contributes to the longevity and effectiveness of the product over time, preventing separation and maintaining a uniform texture.
Translucent and Appealing Appearance
Unlike Sodium Lauryl Sulfate, which is commonly used to produce clear solutions, Sodium Coco-Sulfate formulations typically have a translucent or slightly cloudy appearance. This gives products a more visually appealing, premium look, and aligns with the current trend towards natural and less synthetic ingredients in personal care products. The translucent quality can also evoke a sense of purity and sophistication in the final product.
Efficient Cleansing Action
SCS excels at removing dirt, oil, grease, and other impurities from the skin and hair, offering thorough cleansing without causing excessive dryness. It efficiently lifts and traps oils and dirt particles, which are then rinsed away, leaving the skin or hair feeling clean and refreshed.
Moisturizing and Non-Drying
Unlike many traditional surfactants, SCS does not excessively strip the skin or hair of its natural moisture. In fact, it helps to maintain the skin’s hydration levels, thanks to the presence of higher molecular weight fatty acids derived from coconut oil. This makes it an excellent choice for individuals with dry or sensitive skin who need a gentle cleanser that won’t leave their skin feeling tight or dry.
Natural, Safe, and Non-Toxic
SCS is a natural ingredient that is generally recognized as safe for use in personal care products. It is non-toxic and free from harmful chemicals, which makes it a safer choice for consumers looking for products with fewer synthetic ingredients. Its gentle formulation makes it suitable for individuals with sensitive skin, babies, and those prone to allergic reactions. Additionally, its biodegradable nature ensures it has minimal environmental impact.
Applications of Sodium Coco-Sulfate (SCS):
Body Washes and Shower Gels
SCS is a popular choice for body washes and shower gels due to its ability to generate rich, creamy lather that enhances the overall user experience. It effectively removes impurities, oils, and sweat from the skin while maintaining hydration. Its mild cleansing action makes it suitable for all skin types, especially those prone to dryness or irritation. It also leaves skin feeling refreshed and moisturized, providing a balance between cleansing and skin protection.
Facial Cleansers and Soaps
In facial cleansers, Sodium Coco-Sulfate is used for its gentle cleansing properties, effectively removing makeup, excess oils, and dirt without irritating the delicate facial skin. It’s suitable for all skin types, including sensitive skin, as it cleanses without drying out or stripping moisture.
Hand Soaps
Sodium Coco-Sulfate is an ideal ingredient for both liquid and bar hand soaps. It provides effective cleansing by removing dirt and germs while being gentle on the skin. As hand soaps are frequently used and can dry out the skin, SCS helps maintain moisture balance and prevents excessive dryness. Its mild nature ensures that even with frequent use, the skin remains soft and hydrated.
Baby Products
Due to its mild and non-irritating properties, Sodium Coco-Sulfate is often used in baby shampoos, body washes, and other personal care products. It is safe for use on babies’ sensitive skin and helps cleanse effectively without causing irritation or dryness. Its gentle nature makes it a preferred choice in baby care products, ensuring that the skin stays moisturized and protected while being cleaned.
Facial and Body Scrubs
SCS is used in facial and body scrubs to provide gentle yet thorough cleansing while also helping to emulsify and spread exfoliating agents evenly. It helps lift dirt, oils, and dead skin cells from the skin’s surface, promoting a smoother and brighter complexion. SCS’s mild foaming and emulsifying properties ensure that the scrub works effectively without causing irritation or sensitivity, making it suitable for various skin types.
