Description

Polyglyceryl-3 Isostearate is a non-ionic, biodegradable surfactant and emulsifier derived from natural glycerin and isostearic acid. This versatile compound is prized for its excellent skin compatibility, stability, and ability to form stable oil-in-water emulsions. It is a critical ingredient for formulators in the personal care, cosmetic, and pharmaceutical industries seeking mild, effective, and multifunctional ingredients.

Application

• Primary emulsifier and co-emulsifier in cosmetic creams, lotions, and sun care products.
• Stabilizing agent for pigment dispersions in color cosmetics and makeup formulations.
• Key ingredient in mild cleansing systems for facial washes, shower gels, and baby care products.
• Texture enhancer and solubilizer in skincare serums and anhydrous formulations.
• Used in pharmaceutical topical preparations as a non-irritating emulsifying base.
• Functional additive in hair care conditioners and treatments for improved manageability and feel.

Basic Information

Product Name	Polyglyceryl-3 Isostearate
CAS No.	127512-63-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Polyglycerol-3 Isostearate; Polyglyceryl-3 Monoisostearate; Isostearic Acid, Diester with Diglycerol; Triglyceryl Monoisostearate; PG3IS; Polyglycerin-3 Isostearate; Polyglycerol Ester of Isostearic Acid; (Polyoxy-1,2-ethanediyl), α-hydro-ω-hydroxy-, ether with 1,2,3-propanetriol isostearate
EINECS	Contact for details

Quality Control

Our Polyglyceryl-3 Isostearate is manufactured under a GMP-compliant quality management system. Each batch undergoes rigorous analytical testing to ensure it meets stringent specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) is provided with every shipment, detailing key parameters such as assay, acid value, saponification value, and heavy metal content. We support compliance with global regulations including REACH and COSMOS standards for cosmetic ingredients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and excessive heat to maintain product integrity and shelf life.

Specification

Item	Specification
Appearance	Pale yellow to yellow viscous liquid
Identification (IR)	Complies
Acid Value (mg KOH/g)	≤ 3.0
Saponification Value (mg KOH/g)	120 - 140
Hydroxyl Value (mg KOH/g)	200 - 240
Water Content (%)	≤ 1.0
Heavy Metals (as Pb, ppm)	≤ 10

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.