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.

Description

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.

 

 

PRODUCT KEY FEATURES

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

 

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

 

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

 

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

 

Regulatory & Compliance Attributes
Complies with:

EU Cosmetic Regulation (EC) No. 1223/2009

FDA GRAS status (for specific esters in food)

ECOCERT and COSMOS-approved (many types)

REACH registered

 

Environmental & Health Impact
Biodegradability: Readily biodegradable

Ecotoxicity: Low environmental impact

Bioaccumulation: Not expected

Allergenic Potential: Very low; suitable for hypoallergenic products

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions
PPE Required: Gloves and goggles for bulk handling

Handling Guidelines:

Avoid contact with eyes and prolonged skin exposure in concentrated form

Ensure clean tools and containers to avoid contamination

Storage Measures: Protect from heat, moisture, and direct sunlight

 

First Aid Measures
Inhalation: Unlikely; move to fresh air if mist inhaled

Skin Contact: Rinse with water; safe at cosmetic levels

Eye Contact: Rinse thoroughly with clean water

Ingestion: Generally safe; in large quantities, seek medical advice

 

Firefighting Measures
Fire Hazards: Non-flammable

Flash Point: >200°C

Extinguishing Media: Water spray, CO₂, foam, or dry chemical

Special Precautions: Use standard firefighting gear

Hazardous Combustion Products: Carbon dioxide, carbon monoxide