Authority source
Safety basis: FDA
FDA
Peg-100 Stearate
PEG-100 stearatePolyethylene glycol stearatePEG-100 stearate
Emulsifier
Peg-100 Stearate is a type of emulsifier that helps mix oil and water together in products like lotions and creams. It's also used to thicken and stabilize these products.
What it is
Peg-100 Stearate is a synthetic emulsifier made from a combination of polyethylene glycol and stearic acid.
Found in
lotions, creams, moisturizers, hair care products
The concern
No significant concerns identified
Legal status
Generally recognized as safe for use in cosmetics and personal care products by the FDA.
Low Concern
Generally recognized as safe for use in cosmetics and personal care products.
Evidence & sources
Ingredy hides weak or off-topic source cards instead of filling this section with weak matches.
Article / explainer
Article / explainer
No highly relevant article explainer found yet.
Video explainer
Video explainer
No highly relevant video explainer found yet.
Community questions
Community questions
Community discussions are not used as safety evidence and no highly relevant discussion is shown for this ingredient.
Related ingredient guides
Compare this ingredient with related ingredients and common alternatives.
Dimethicone
Another emulsifier in the reviewed ingredient set.
Magnesium Stearate
Another emulsifier in the reviewed ingredient set.
Polysorbate 80
Another emulsifier in the reviewed ingredient set.
Retinyl Palmitate
Another emulsifier in the reviewed ingredient set.
Sodium Hydroxide
Another formula helper often checked in the same ingredient labels.
Triethanolamine
Another formula helper often checked in the same ingredient labels.
Last updated: June 16, 2026