Potassium Hydroxide

5+ year old childrenSkin contact product

Check for Different Age (6 available)

Is this kid-friendly to use Potassium Hydroxide?

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USE WITH CAUTION
Danger Score: 5 (Lower is safer)
Quick Answer: Potassium Hydroxide use with caution for 5+ year old children when used in topical products. Kids may have different tolerance levels.

ℹ️General Overview

For kids aged 5 and older (school-age children), potassium hydroxide can cause skin or eye irritation and at higher amounts can burn. When it is used in skin products, rules require it only be used in low amounts and formulated so it won’t irritate. That makes it a moderate concern for children.

What to Do

Use products made for children or products that say they are formulated to avoid irritation. Don’t use industrial or cleaning products that contain potassium hydroxide on skin. If you try a new product that lists it, do a small patch test on the child’s arm first and wait 24 hours. Avoid using products with this ingredient on broken, red, or very sensitive skin. Keep products out of reach and supervise older children when they use them.

⚠️Warnings

Avoid products where potassium hydroxide is high on the ingredient list or not clearly formulated for skin use—regulatory sources (EU Cosmetics Directive and Cosmetic Ingredient Review) restrict its use and require limits because it can irritate or burn. Watch for immediate stinging, redness, blistering, or any eye contact; if that happens, rinse thoroughly with water and seek medical care if symptoms are severe or do not quickly improve (sources: U.S. National Library of Medicine, Environment Canada, Cosmetic Ingredient Review, EU Cosmetics Directive).

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Banned: This ingredient is restricted for use in cosmetics under the EU Cosmetics Directive and industry safety reviewers (CIR) say it may only be used with limits or special formulation controls. Regulatory listings and product-verification rules mean some products are not allowed to contain it without strong safety proof.
Organ Risk: European hazard labeling (EU GHS) and Environment Canada classify this chemical as toxic or harmful to organs and list it as a medium human-health priority. That means it can damage non-reproductive organs with unsafe exposures.
Long-Term Risk: Environment Canada’s assessment and EU hazard classifications indicate concerns that repeated or long-term exposures could lead to lasting health effects. Workplace rules also limit allowable exposure, showing regulators see risk over time.

Tap or hover over labels to see detailed risk information.

Alternative Names for Potassium Hydroxide

This ingredient may also be listed as:

potassium hydroxidePOTASSIUM HYDROXIDE, TECHNICAL, >=85%, LUMPSD01168POTASSIUM HYDROXIDE, 45% W/V AQUEOUS SOLUTIONPOTASSIUM HYDROXIDE REAGENT GRADE 1KGPOTASSIUM HYDROXIDE, SEMICONDUCTOR GRADE, PELLETS, 99.99% TRACE METALS BASIS (PURITY EXCLUDES SODIUM CONTENT.)POTASSIUM HYDROXIDE, 10% W/V AQUEOUS SOLUTIONPOTASSIUM HYDROXIDE, 25% W/V AQUEOUS SOLUTIONC12568POTASSIUM HYDROXIDE, 50% W/V AQUEOUS SOLUTIONPOTASSIUM HYDROXIDE, 30% W/V AQUEOUS SOLUTION

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

Products Containing Potassium Hydroxide

This ingredient is found in the following products:

This list shows products that contain Potassium Hydroxide or its alternative names.

Research Articles on Potassium Hydroxide

Scientific research related to this ingredient:

These research articles provide scientific evidence about Potassium Hydroxide safety and effects.

Common Questions About Potassium Hydroxide

Is this kid-friendly to use Potassium Hydroxide?

Use caution with Potassium Hydroxide for 5+ year old children. Some safety concerns have been identified.

What are the banned risks of Potassium Hydroxide for children?

Banned or heavily restricted in one or more countries.

What are the organ risk risks of Potassium Hydroxide for children?

May harm organs like liver, kidneys, or lungs with repeated use.

What are the long-term risk risks of Potassium Hydroxide for children?

Linked to long-term health effects after years of use or exposure.

What products contain Potassium Hydroxide?

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

When can kids start using products with Potassium Hydroxide?

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

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