Silica โ€” Allergy Risk & Safety Profile

INCI: SILICA

Also known as: Silicon Dioxide

โœ… Low Risk

Key Facts

CAS Number
7631-86-9
Category
filler
Risk Level
low
Common Allergen
No
Found In
primer, powder, toothpaste

Is Silica safe in cosmetics?

Silica 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 primer, powder, toothpaste.

What is Silica?

Silica 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

Silica 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 โ€” if you notice redness, itching, or irritation after using a product containing this ingredient, discontinue use and monitor whether symptoms resolve.

How to Identify Silica 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 Silica, 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: Primer, Powder, Toothpaste. These product categories are the most common sources of Silica exposure based on formulation data.

Not sure if your products contain Silica? Paste the ingredient list into the free ingredient checker to scan for Silica and other allergens automatically.

Frequently Asked Questions

Is Silica safe for sensitive skin?

Silica is generally well-tolerated, even by sensitive skin types.

What products contain Silica?

Silica is commonly found in primer, powder, toothpaste.

What does Silica do in cosmetics?

Silica functions as a filler in formulations.

Related Guides

Is Silica causing YOUR skin reactions?

SkinDetekt tracks your products and reactions to find your personal triggers. Download the app to find out.

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