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CSA (Ceto Stearyl Alcohol)

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CSA (Ceto Stearyl Alcohol), also known as Cetearyl Alcohol, is a fatty alcohol used as a thickener, emollient, stabilizer, and co-emulsifier in cosmetic and personal care formulations. It improves product body, texture, and stability while providing a smooth, creamy skin feel. Unlike drying alcohols, CSA is non-irritating and helps soften and condition both skin and hair. It is widely used in creams, lotions, conditioners, hair masks, and emulsions to enhance viscosity and support stable oil-in-water systems. Due to its excellent compatibility and ease of processing, CSA is a standard ingredient in both rinse-off and leave-on products.
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INCI Name

Cetearyl Alcohol

Ingredient Origin & Grade

  • Plant-derived (from coconut or palm fatty acids)

  • Cosmetic Grade

  • White to off-white flakes or pellets


Key Benefits

  • Thickens and stabilizes emulsions

  • Improves creamy texture and viscosity

  • Provides an emollient and conditioning feel

  • Enhances stability of O/W formulations

  • Non-drying, skin-friendly fatty alcohol


Typical Applications

  • Creams and lotions

  • Hair conditioners and masks

  • Body butters and emulsions

  • Shampoos and styling products

  • Leave-on and rinse-off formulations


pH & Usage Guidelines

  • pH stability: 4.0–8.0

  • Usage level: 1–5% (depending on texture required)

  • Melt and add to the oil phase (60–75 °C)

  • Compatible with non-ionic, anionic, and cationic systems


Safety & Storage

  • Cosmetic ingredient for external use only

  • Non-toxic and well-tolerated

  • Store in a cool, dry place

  • Shelf life: 24–36 months