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Non-ionic, polymer-based associative thickener delivering high viscosity and excellent shear-thinning behavior.
Efficiently stabilizes oil-in-water emulsions without requiring co-surfactants or high-energy processing.
Compatible with a broad pH range (pH 3–12) and tolerant to electrolytes, including multivalent ions.
Provides long-term rheological stability and prevents sedimentation or phase separation in aqueous systems.
Eco-friendly formulation with low environmental impact; meets REACH and COSMOS-approved ingredient criteria.
Personal care emulsions: facial moisturizers, body lotions, and sunscreens.
Home care formulations: liquid hand soaps, all-purpose cleaners, and fabric softeners.
Pharmaceutical suspensions and topical gels requiring controlled release and texture enhancement.
Color cosmetics: foundations, BB creams, and creamy eyeshadows.
Industrial water-based coatings and functional fluid additives.
| Chemical Type | Non-ionic associative polyacrylate copolymer |
| Product Form | White to off-white free-flowing powder |
| Appearance | Free-flowing granular solid |
| pH (1% aqueous solution) | 5.0 – 7.0 |
| Solubility | Water-soluble; requires gentle dispersion and hydration |
| Recommended Usage Level | 0.2 – 1.5% w/w, depending on desired viscosity |
| Storage Conditions | Store in cool, dry place below 30°C; protect from moisture |
| Primary Applications | Emulsion stabilization and rheology modification in aqueous systems |
Q1: What is the primary functional role of SEPIPLUS 400 in cosmetic and personal care formulations?
A: SEPIPLUS 400 is a multifunctional associative thickener and emulsifier based on modified natural polymers. It provides simultaneous stabilization of oil-in-water emulsions and rheology control—enhancing viscosity, improving texture, and delivering long-term suspension stability without requiring high-shear processing.
Q2: Is SEPIPLUS 400 compatible with common preservatives, electrolytes, and surfactants used in leave-on and rinse-off products?
A: Yes, SEPIPLUS 400 demonstrates broad compatibility with widely used preservative systems (e.g., parabens, phenoxyethanol blends), typical anionic, nonionic, and amphoteric surfactants, and moderate levels of electrolytes. Performance may vary depending on overall formulation pH and ionic strength, so standard compatibility testing is recommended during development.
Q3: How should SEPIPLUS 400 be incorporated into a formulation to ensure optimal performance?
A: It is typically dispersed in water or aqueous phase under gentle agitation, followed by pH adjustment to approximately 5.5–7.5 for full activation. Pre-hydration or cold dispersion is preferred over direct addition to hot phases. For best results, allow sufficient time for full swelling and network formation before adding oils or other active ingredients.
Q4: Does SEPIPLUS 400 support sustainable or “clean” formulation goals?
A: Yes—SEPIPLUS 400 is derived from renewable raw materials and is readily biodegradable. It enables reduction or elimination of synthetic thickeners and co-emulsifiers, supporting formulations aligned with eco-certification frameworks and consumer demand for naturally derived multifunctional ingredients.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
