Methylisothiazolinone

2-5 year old preschoolers β€’ Skin contact product

Check for Different Age (6 available)

Safe for preschoolers to use Methylisothiazolinone?

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NOT RECOMMENDED
Danger Score: 7 (Lower is safer)
Quick Answer: Methylisothiazolinone not recommended for 2-5 year old children when used in topical products. Consider preschooler activity levels.

ℹ️General Overview

For toddlers and preschoolers (2-5 years), this preservative can cause allergic skin reactions (rashes, redness, itching). Many experts and some governments have limited or banned its use in products that stay on the skin because of these allergy risks. Overall, avoid using it on young children's skin when possible.

βœ…What to Do

Check product labels for the name Methylisothiazolinone or the abbreviation MI and avoid products that list it, especially leave-on items like lotions, creams, and wipes. Prefer products labeled "MI-free" for children. If you must use a product that may contain it, choose rinse-off products (like a quick bath wash) rather than leave-on, avoid using it on broken or eczema-prone skin, and do a small patch test on a tiny area first. If you see any redness, swelling, blistering, or persistent itching, stop use and ask your pediatrician or a skin doctor.

⚠️Warnings

Watch for signs of an allergic reaction (red rash, itching, swelling, blisters). There are published reports of children developing contact dermatitis from baby wipes and expert/government reviews that have recommended restricting or banning this ingredient in leave-on cosmetics. Children with eczema or very sensitive skin are at higher risk. If a product is restricted or banned in your country, do not use it on your child.

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Immune system: This ingredient is a known skin sensitizer and can trigger immune reactions. Toxicity reviews and safety assessments list strong evidence that it causes allergic reactions in people, and regulators note it as an allergen.
Eczema: There are human case reports of children who developed allergic contact dermatitis after exposure (for example, from baby wipes). These cases show it can start or make eczema and similar rashes worse.
Irritant: Workplace and safety reports show it can irritate skin, eyes, or lungs and act as a skin irritant for some people.
Banned: Government safety opinions and national agencies have restricted or banned its use in cosmetics in some places and set limits on how it may be used, indicating regulatory concern about safety.

Tap or hover over labels to see detailed risk information.

Alternative Names for Methylisothiazolinone

This ingredient may also be listed as:

methylisothiazolinoneDB-005250FT-0601044X5929Q4238702-METHYL-4-ISOTHIAZOLIN-3-ONE, ANALYTICAL STANDARDAB0011560682M204CAS-2682-20-4SC-16032K-6885METHYLISOTHIAZOLINONE

Always check ingredient labels carefully, as ingredients may be listed under different names.

Products Containing Methylisothiazolinone

This ingredient is found in the following products:

This list shows products that contain Methylisothiazolinone or its alternative names.

Research Articles on Methylisothiazolinone

Scientific research related to this ingredient:

These research articles provide scientific evidence about Methylisothiazolinone safety and effects.

Common Questions About Methylisothiazolinone

Safe for preschoolers to use Methylisothiazolinone?

Methylisothiazolinone is not recommended for 2-5 year old children due to potential safety risks.

What are the immune system risks of Methylisothiazolinone for preschoolers?

Could weaken or confuse immune system. Young children may be more sensitive to these effects.

What are the eczema risks of Methylisothiazolinone for preschoolers?

Linked to triggering or worsening eczema and similar skin conditions. Young children may be more sensitive to these effects.

What are the irritant risks of Methylisothiazolinone for preschoolers?

Can cause skin redness, itchiness, or rashesβ€”especially on sensitive baby skin. Young children may be more sensitive to these effects.

What are the banned risks of Methylisothiazolinone for preschoolers?

Banned or heavily restricted in one or more countries. Young children may be more sensitive to these effects.

What products contain Methylisothiazolinone?

Methylisothiazolinone is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.

Is this suitable for preschoolers to using products with Methylisothiazolinone?

The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 2-5 year old children. Use the age selector above to check other ages.

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