Tosylamide/Formaldehyde Resin

INCI: TOSYLAMIDE/FORMALDEHYDE RESIN

Also known as: TSF Resin, Toluenesulfonamide Formaldehyde Resin

🔴 High Risk

Key Facts

CAS Number
25035-71-6
Category
film former
Risk Level
high
Common Allergen
Yes
Found In
nail polish

What is Tosylamide/Formaldehyde Resin?

Film-former in nail polish. Part of the 'toxic trio'. Can cause eyelid dermatitis from nail contact.

Allergy & Safety Information

Formaldehyde Resin is classified as a high-risk ingredient. It is a known cause of allergic contact dermatitis. Individuals with sensitive skin or a history of contact allergies should avoid products containing this ingredient. A patch test is recommended before first use of any product containing Formaldehyde Resin.

Allergen Note: Common cause of eyelid and facial dermatitis from nail polish.

Cross-Reactions

If you react to Tosylamide/Formaldehyde Resin, you may also react to:

Frequently Asked Questions

Is Formaldehyde Resin safe for sensitive skin?

Formaldehyde Resin is a known allergen and is generally not recommended for sensitive skin. Consider patch testing before use.

What products contain Formaldehyde Resin?

Formaldehyde Resin is commonly found in nail polish.

What does Formaldehyde Resin do in cosmetics?

Formaldehyde Resin functions as a film_former in formulations. Common cause of eyelid and facial dermatitis from nail polish.

Is Tosylamide/Formaldehyde Resin 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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