Calcium Hydroxide

Calcium Hydroxide molecular structurePubChem

1-2 year old toddlers • Skin contact product

Check for Different Age (6 available)

Is this toddler-safe to use Calcium Hydroxide?

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USE WITH CAUTION
Danger Score: 5 (Lower is safer)
Quick Answer: Calcium Hydroxide use with caution for 1-2 year old toddlers when used in topical products. Watch for toddler-specific sensitivities.

ℹ️General Overview

For toddlers (1-2 years), calcium hydroxide can sting or irritate the skin, eyes, or breathing if they touch or breathe it in. It is sometimes allowed in skin products only at low levels and when formulas avoid irritation.

✅What to Do

Avoid putting products that list calcium hydroxide directly on a toddler’s skin unless the product is specifically made for young children. Prefer products that do not contain it. If you must use a product with it, do a small patch test on a tiny area of skin and wait 24 hours. Do not use on broken, red, or sore skin. Keep products with this ingredient away from the child’s eyes and mouth. If the child gets the product in their eyes or it causes strong stinging, rinse well with water and seek medical care if pain or redness continues.

⚠️Warnings

This ingredient is listed as an eye, skin, and lung irritant in chemical safety guides and is subject to cosmetic use restrictions in regulatory reviews (sources: Pocket Guide to Chemical Hazards; US National Library of Medicine; Cosmetic Ingredient Review; EU Cosmetics Directive). Watch for persistent redness, stinging, blistering, breathing trouble, or eye pain after contact. If any of these happen, stop use and get medical help. Keep all products with this ingredient out of reach of children.

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Irritant: Authoritative safety guides list calcium hydroxide as an irritant to skin, eyes, and lungs. A chemical-hazards pocket guide classifies it as an eye/skin/lung irritant, a U.S. medical toxicology source reports evidence of skin irritation, and an industry safety panel says it can cause irritation unless used at limited concentrations. For a baby, that means this ingredient can cause redness, stinging, or rashes on delicate skin or damage if it gets in the eyes.
Asthma: Chemical-hazard guidance specifically calls out lung irritation from calcium hydroxide. Because it can irritate the lungs, it can make breathing problems or asthma worse in children if inhaled or if fine dust/aerosols reach the airways.
Banned: Regulatory sources for cosmetics show use and concentration limits for calcium hydroxide and recommend restrictions. The EU Cosmetics Directive / Cosing records restrictions and the industry review panel says it is only safe when formulated to avoid irritation. These rules mean some countries or product standards limit or prohibit its use in cosmetics.

Tap or hover over labels to see detailed risk information.

Alternative Names for Calcium Hydroxide

This ingredient may also be listed as:

limewatercalcium hydroxideCALCIUM HYDROXIDELIME WATERCALVITBIOCALCSUPER MICROSTARCALCIUM HYDROXIDE, PURISS., MEETS ANALYTICAL SPECIFICATION OF PH. EUR., USP, FCC, 95-100.5% (COMPLEXOMETRIC)CALCIUM HYDROXIDE, SAJ SPECIAL GRADE, >=96.0%CALCIUM HYDROXIDE, UNITED STATES PHARMACOPEIA (USP) REFERENCE STANDARDCALCIUM HYDROXIDE, VETEC(TM) REAGENT GRADE, 95%CALCIUM HYDROXIDE, 99.995% TRACE METALS BASISCALCIUM HYDROXIDE, PURISS. P.A., REAG. PH. EUR., >=96%

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

Products Containing Calcium Hydroxide

This ingredient is found in the following products:

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

Common Questions About Calcium Hydroxide

Is this toddler-safe to use Calcium Hydroxide?

Use caution with Calcium Hydroxide for 1-2 year old toddlers. Some safety concerns have been identified.

What are the irritant risks of Calcium Hydroxide for toddlers?

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

What are the asthma risks of Calcium Hydroxide for toddlers?

Can make breathing issues like asthma worse in babies and kids. Young children may be more sensitive to these effects.

What are the banned risks of Calcium Hydroxide for toddlers?

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

What products contain Calcium Hydroxide?

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

When can toddlers using products with Calcium Hydroxide?

The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 1-2 year old toddlers. Use the age selector above to check other ages.

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