In personal care, “gentle, easy to rinse off, and fine creamy foam” are becoming more important indicators than “strong cleansing power.” Among the many surfactants available, SCI85 (Sodium Cocoyl Isethionate) is being revalued by formulators for several key reasons.
1. Strong Hard Water Resistance, More Stable Foam
Many cleansing products suffer from reduced foam and a poor cleansing experience in hard water conditions. SCI85 is insensitive to calcium and magnesium ions. Even in hard water, it maintains excellent foaming ability and foam stability. This is a major reason why it is widely used in syndet bars, shower gels, and foam facial cleansers.
2. Low Toxicity, Friendlier to Skin
SCI85 is a mild anionic surfactant that offers low irritation, is gentler on skin and eyes, and is suitable for high-frequency use in cleansing products. It is commonly found in facial cleansers, foam face washes, shower gels, and body washes — especially those positioned as “gentle cleansing” and “daily care.”
3. Good Biodegradability, Aligned with Current Trends
As environmental sustainability gains importance, SCI85 offers good biodegradability, breaking down more easily after use. For brands, this helps match “mild” and “lower environmental impact” product concepts, while meeting consumer expectations for ingredient friendliness.
4. Mature Application, Compatible with Multiple Cleansing Systems
SCI85 is already widely used in syndet bars, shower gels, facial cleansers, foam face washes, and body washes. It can serve as a primary surfactant or be blended with other mild surfactants to enhance overall skin feel and foam performance.
Final Thoughts
SCI85 is not a “concept ingredient.” It is a stable, mature, user-friendly functional surfactant. In cleansing products that pursue mildness, high foam, and stability, SCI85 is an underestimated yet seriously worthwhile choice.
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