Calcium Hydroxide

2-5 year old preschoolersSkin contact product

Check for Different Age (6 available)

Safe for preschoolers to use Calcium Hydroxide?

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USE WITH CAUTION
Danger Score: 4 (Lower is safer)
Quick Answer: Calcium Hydroxide use with caution for 2-5 year old children when used in topical products. Consider preschooler activity levels.

ℹ️General Overview

For preschoolers (2–5 years), calcium hydroxide is not usually listed as highly dangerous, but it can cause stinging, redness, or irritation of skin, eyes, or breathing when there is contact. Because of that, it is treated cautiously in products for young children.

What to Do

Avoid deliberate use of products that list calcium hydroxide on young children's skin, especially on the face or near the eyes. If a product with this ingredient must be used, choose one made and labeled for children, do a small patch test on the arm and wait 24 hours, keep it away from broken or sore skin, and keep all such products out of reach of children. If the child gets it in their eyes, rinse gently with water for several minutes and seek medical care if irritation continues. If skin becomes red, blistered, or the child has trouble breathing, stop use and seek medical help.

⚠️Warnings

This ingredient is classified in chemical safety references as an eye, skin, and lung irritant (source: Pocket Guide to Chemical Hazards). There is also limited evidence of skin irritation reported in medical literature (source: US National Library of Medicine). Regulatory lists and cosmetic safety reviews recommend use or concentration limits and sometimes restrict use in cosmetics (sources: EU Cosmetics Directive / Cosing and Cosmetic Ingredient Review). Watch for stinging, redness, coughing, or eye pain and follow the first-aid steps above; these warnings come from the cited safety and regulatory reviews.

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

Safe for preschoolers to use Calcium Hydroxide?

Use caution with Calcium Hydroxide for 2-5 year old children. Some safety concerns have been identified.

What are the irritant risks of Calcium Hydroxide for preschoolers?

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 preschoolers?

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 preschoolers?

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.

Is this suitable for preschoolers to using products with Calcium Hydroxide?

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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