Polyglyceryl

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Polyglyceryl refers to a family of non-ionic surfactants and emulsifiers made by the polymerization of glycerol units. Depending on the number of glycerol units (e.g., Polyglyceryl-2, -3, -6, -10) and fatty acid esterification (e.g., laurate, oleate, stearate), they offer different emulsifying and solubilizing properties. These compounds are biodegradable, mild, and skin-friendly, making them ideal for use in cosmetics, food, pharmaceuticals, and personal care products. Polyglyceryl esters are often chosen in natural and organic product formulations due to their origin and non-toxic profile.

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Categories: Emulsifiers, Surfactants(cosmetic) Tags: Cosmetics & Personal Care, Food Emulsifier, Non-ionic emulsifier, Pharmaceutical industry, Polyglycerol Esters, Polyglyceryl

Description

Table of Contents

Polyglyceryl

Primary Uses

Cosmetics & Personal Care Products

Serve as emulsifiers in creams, lotions, sunscreens, serums, and cleansers.
Excellent for oil-in-water (O/W) and water-in-oil (W/O) emulsions depending on HLB value.
Provide a light, non-greasy feel, making them suitable for facial care and sensitive skin products.
Common in natural, vegan, and clean-label cosmetic formulations.

Food Industry

Used as food-grade emulsifiers and dispersing agents (especially Polyglyceryl esters of fatty acids).
Help stabilize emulsions in sauces, dressings, ice cream, and non-dairy creamers.
Improve mouthfeel and texture in reduced-fat or low-calorie foods.
Approved for use under various food additive codes (e.g., E475, E476).

Pharmaceutical Formulations

Act as emulsifiers and solubilizers for oral suspensions, creams, and suppositories.
Improve the solubility and delivery of active pharmaceutical ingredients (APIs).
Used in topical preparations to enhance absorption and skin feel.

Baby Care & Sensitive Skin Products

Due to their non-irritating, non-sensitizing nature, they are widely used in baby lotions, creams, and shampoos.
Ideal for eczema and allergy-prone formulations.

Secondary Uses

Oral Care

Used as mild emulsifiers and solubilizers in toothpastes, mouthwashes, and dental gels.
Makeup & Color Cosmetics
Help disperse pigments uniformly in foundations, BB creams, mascaras, and lip products.
Improve long-wear and spreadability.

Hair Care

Used in shampoos, conditioners, and hair masks to enhance foam stability and moisture retention.

Pet Care Products

Incorporated in grooming sprays, lotions, and medicated baths for pets due to their non-toxic nature.

Industrial & Biotech Applications

Used in bio-lubricants, enzyme formulations, and fermentation processes for their stabilizing properties.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name (IUPAC): Polyglycerol or Polyglyceryl esters (depends on variant)
Common/Trade Name: Polyglyceryl (e.g., Polyglyceryl-3 Laurate, Polyglyceryl-10 Oleate)
CAS Number: Varies by type (e.g., 29894-35-7 for Polyglyceryl-3)
HS Code: 3402.13.00 (Non-ionic surfactants)
Synonyms: Poly(glycerol); Polyglycerol esters; PG-esters

2. Physical & Chemical Properties

Physical State: Liquid, viscous paste, or soft solid (depends on molecular weight)
Color & Odor: Colorless to pale yellow; mild to neutral odor
Solubility: Varies (water-dispersible to water-soluble)
HLB Value: Broad range (from 4 to 14 depending on ester type)
pH (1% solution): ~5.0–7.5
Acid Value: Typically <10 mg KOH/g
Saponification Value: 80–180 mg KOH/g

3. Safety & Hazard Attributes

GHS Classification: Not classified as hazardous
Toxicity: Non-toxic; suitable for ingestion and topical use
Irritation Potential: Very low; suitable for sensitive skin and mucosal membranes
Allergen Status: Allergen-free, non-sensitizing

4. Storage & Handling Attributes

Storage Conditions: Store in tightly closed containers in a cool, dry place (15–25°C)
Container Type: HDPE drums, food-grade pails, or IBCs
Shelf Life: 2–3 years under optimal storage conditions
Handling Precautions: Avoid contamination; use clean, dry equipment during handling