PEG-40 Stearate
Non-ionic emulsifier and solubilizer. Helps mix oil and water phases in creams and lotions and dissolves fragrance oils.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Oily, Dry, Combination, Normal
About this ingredient
PEG-40 Stearate is a non-ionic emulsifier and solubiliser, the ester of polyethylene glycol 40 with stearic acid. Helps blend oil and water phases in creams, lotions and cleansers, and dissolves fragrance oils in water-based toners. Where applied. Face and body creams, lotions, shampoos, fragranced toners (0.5-5%). In body products commonly seen in La Roche-Posay, Eucerin, Vichy. Safety. CIR confirmed PEG-40 stearate safety (Final Report 1983, reassessment 2010). No systemic absorption through intact skin. Hypoallergenic, non-comedogenic. On damaged skin (open eczema, extensive wounds) the EWG suggests caution with PEGylated emulsifiers. No restrictions on intact skin. Pregnancy and lactation – safe.
Frequently asked questions
Is PEG-40 Stearate safe during pregnancy?
PEG-40 Stearate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is PEG-40 Stearate for?
PEG-40 Stearate suits: oily, dry, combination, normal.
What is PEG-40 Stearate and what does it do in cosmetics?
Non-ionic emulsifier and solubilizer.
What's the INCI name for PEG-40 Stearate?
The INCI name is PEG-40 Stearate.
See PEG-40 Stearate in a product composition right on the store page
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Similar role in the formula
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