Polyglyceryl-3 Caprylate (CAS No. 133654-02-1): A Versatile Natural Emulsifier for Modern Cosmetics
In today’s cosmetic and personal care industry, formulators are increasingly looking for mild, natural, and multifunctional emulsifiers to meet the growing demand for clean beauty and skin-friendly formulations.
Polyglyceryl-3 Caprylate (CAS No. 133654-02-1) is one such ingredient that has gained wide popularity due to its excellent emulsifying performance, high compatibility, and natural origin.
As a non-ionic surfactant derived from fatty acids and polyglycerin, Polyglyceryl-3 Caprylate is widely used in skincare, hair care, and cleansing products, especially in formulations targeting sensitive skin.
What Is Polyglyceryl-3 Caprylate?
INCI Name: Polyglyceryl-3 Caprylate
CAS Number: 133654-02-1
Chemical Type: Non-ionic surfactant / Emulsifier
Origin: Vegetable-based (fatty acid ester of polyglycerin)
Polyglyceryl-3 Caprylate is an ester formed from caprylic acid (C8 fatty acid) and polyglycerin-3. It is considered a naturally derived emulsifier and is widely accepted in formulations positioned as:
- Natural cosmetics
- Clean beauty products
- Mild and low-irritation systems

Key Functions and Benefits
Polyglyceryl-3 Caprylate offers multiple functions in cosmetic formulations:
1. Excellent Emulsifying Ability
It is mainly used as an O/W (oil-in-water) emulsifier, helping to create stable and uniform emulsions, especially in light lotions and serums.
2. Mild Surfactant for Sensitive Skin
As a non-ionic surfactant, it shows low irritation and is suitable for:
- Sensitive skin products
- Baby care formulations
- Facial cleansers and micellar waters
3. Solubilizing and Co-Emulsifying Effect
It can be used as a co-emulsifier or solubilizer to improve the stability of essential oils, fragrances, and active ingredients in aqueous systems.

Typical Applications
Polyglyceryl-3 Caprylate is widely used in:
- Facial cleansers and foam cleansers
- Toners and micellar waters
- Light lotions and emulsions
- Serums and essence products
- Makeup removers
- Baby care and sensitive skin products
It is especially suitable for transparent or low-viscosity systems where mild emulsification and solubilization are required.

Formulation Advantages
Compared with traditional emulsifiers, Polyglyceryl-3 Caprylate offers several formulation advantages:
- Good compatibility with a wide pH range
- Stable performance in low-viscosity systems
- Excellent skin feel, non-greasy
- Easy to combine with other polyglyceryl esters
- Helps improve formula mildness and sensory profile
It is often used together with other polyglyceryl-based emulsifiers to build PEG-free emulsifying systems.
Regulatory and Safety Profile
Polyglyceryl-3 Caprylate is:
- Approved for cosmetic use in major markets
- Considered safe and low-irritation
- Compliant with international cosmetic regulations
It is commonly supplied with:
- MSDS (SDS)
- COA
- TDS
Why Choose Polyglyceryl-3 Caprylate from a Reliable Supplier?
When sourcing Polyglyceryl-3 Caprylate, cosmetic manufacturers should pay attention to:
- Stable quality and consistent batches
- Clear specifications (acid value, hydroxyl value, color, moisture)
- Reliable supply capacity
- Complete technical and regulatory documents
A professional supplier can also provide formulation support and application guidance to help customers optimize their final products.
Polyglyceryl-3 Caprylate (CAS No. 133654-02-1) is a highly versatile, mild, and naturally derived emulsifier that meets the modern cosmetic industry’s demand for clean, safe, and high-performance ingredients.
With its excellent emulsifying ability, skin-friendly profile, and wide application range, it has become an important ingredient in the development of next-generation skincare and cleansing products.
If you are looking for a reliable supplier of Polyglyceryl-3 Caprylate for your cosmetic formulations, feel free to contact us for samples, specifications, and technical support.






