Zinc Stearate — Allergy Risk & Safety Profile
INCI: ZINC STEARATE
Key Facts
- CAS Number
- 557-05-1
- Category
- filler
- Risk Level
- low
- Common Allergen
- No
- Found In
- powder, eyeshadow
Is Zinc Stearate safe in cosmetics?
Zinc Stearate is rated low risk in cosmetic products. It is not classified as a common allergen and is generally well-tolerated by most skin types. Commonly found in powder, eyeshadow.
What is Zinc Stearate?
Zinc Stearate is a filler commonly used in cosmetic and personal care products. It is generally considered safe for use in cosmetics at recommended concentrations.
Allergy & Safety Information
Zinc Stearate is considered safe for cosmetic use. No significant safety concerns have been identified at typical use concentrations. As with any cosmetic ingredient, discontinue use if irritation occurs.
This ingredient is considered low risk from an allergenicity perspective. Reactions are uncommon at typical cosmetic use concentrations. However, no ingredient is universally safe — if you notice redness, itching, or irritation after using a product containing this ingredient, discontinue use and monitor whether symptoms resolve.
How to Identify Zinc Stearate in Products
Cosmetic ingredients are listed by their INCI (International Nomenclature of Cosmetic Ingredients) name in descending order of concentration. To check whether a product contains Zinc Stearate, scan the ingredient list for its INCI name exactly as it appears above. Ingredients present at 1% or less may appear in any order after the 1% threshold.
Product types to prioritise checking: Powder, Eyeshadow. These product categories are the most common sources of Zinc Stearate exposure based on formulation data.
Not sure if your products contain Zinc Stearate? Paste the ingredient list into the free ingredient checker to scan for Zinc Stearate and other allergens automatically.
Frequently Asked Questions
Is Zinc Stearate safe for sensitive skin?
Zinc Stearate is generally well-tolerated, even by sensitive skin types.
What products contain Zinc Stearate?
Zinc Stearate is commonly found in powder, eyeshadow.
What does Zinc Stearate do in cosmetics?
Zinc Stearate functions as a filler in formulations.
Related Guides
Is Zinc Stearate causing YOUR skin reactions?
SkinDetekt tracks your products and reactions to find your personal triggers. Download the app to find out.
Download on App Store