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Croda A165/A170 Emulsifier | Oil-in-water Cosmetic Emulsifier | Glyceryl Stearate & PEG-100 Stearate

Croda A165/A170 is a non-ionic oil-in-water (O/W) emulsifier launched by Croda, suitable for cosmetics, skin care products and pharmaceutical preparations. This series of emulsifiers has excellent stability and compatibility, and can easily prepare delicate emulsions, suitable for formulas such as creams, sunscreens, and essences.
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Croda A165 Emulsifier O/W Emulsifier for Cosmetics Glyceryl Stearate PEG-100 Anti-perspirant cream emulsifier Lightweight serum base emulsifier
Product Description
Advantage
Usage
FAQ
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INCI NameGLYCERYL STEARATE/PEG-100 STEARATE

CAS Number

85666-92-8 (mixture)

HLB Value≈11.2
AppearanceWhite to slightly yellow granules/flakes
Melting Point55-60°C
Water Content≤2%
SolubilityInsoluble in water, dispersible in hot water; soluble in hot ethanol / benzene / mineral oil



Product Uses


Suitable for cosmetics, skin care products and pharmaceutical preparations


Product Advantage
1
Efficient Emulsification
Quickly form a stable O/W system and reduce the risk of stratification.
2
Low Dosage
Usually 1-5% can achieve the ideal emulsification effect.
3
Wide Compatibility
Suitable for a variety of oils and fats (silicone oil, vegetable oil, synthetic ester, etc.).
4
Gentle And Safe
In line with the cosmetic raw material standards (ISO 22716), non-irritating.



Usage


Oil phase dissolution: Heat A165/A170 and oil components to 70-75℃.

Water phase preparation: Heat the water phase alone to the same temperature.

Emulsification stage: Slowly add the water phase to the oil phase and stir homogenously for 3-5 minutes.

Cooling adjustment: Add active ingredients (such as flavors, preservatives) after cooling to 40℃.



FAQ
  • What is the difference between A165 and A170?
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    A165 has a slightly lower HLB value (~11) and is suitable for medium polar oils; A170 (HLB~12) has a better emulsification effect on high polar oils (such as triglycerides).
  • Can it be used in sunscreen formulas?
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    Yes, A165/A170 has good compatibility with titanium dioxide and zinc oxide. It is recommended to do compatibility testing in advance.
  • How to solve the problem of oil-water separation?
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    It may be due to insufficient emulsification temperature or uneven stirring. It is recommended to reheat to 75℃ and extend the homogenization time.
  • What is the CAS number?
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    Please contact the supplier to obtain the accurate CAS number (85666-92-8).
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