Calcium Hydroxide

6-12 month old babiesSkin contact product

Check for Different Age (6 available)

Can older babies use Calcium Hydroxide?

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NOT RECOMMENDED
Danger Score: 6 (Lower is safer)
Quick Answer: Calcium Hydroxide not recommended for 6-12 month old babies when used in topical products. Monitor for any reactions in older babies.

ℹ️General Overview

For infants (6–12 months), calcium hydroxide can irritate the skin, eyes and breathing. It is not a common cancer or developmental concern, but it can cause burning, redness or eye injury if it touches the face or broken skin. Because babies have very sensitive skin, this ingredient should be used very cautiously or avoided.

What to Do

If you see this ingredient on a baby product: choose products made for babies that list safe low concentrations; avoid products with it on the face, diaper area, or on broken or raw skin; do a small patch test on an area of clean skin and wait 24 hours; if you get any stinging, redness, blistering or eye contact, rinse with plenty of water and stop use; for any breathing trouble, severe pain, or lasting eye injury, seek medical care right away. Keep powders or concentrated forms away from baby and never let the baby inhale dust.

⚠️Warnings

Do not use on broken skin, near the eyes, nose or mouth, and do not let the baby inhale powder. Sources noting the irritation risk and use restrictions include chemical safety guides and cosmetic safety reviews (listed in safety literature such as the Pocket Guide to Chemical Hazards, the US National Library of Medicine summaries, and cosmetic regulatory guidance/CIR assessments). These sources classify calcium hydroxide as an eye/skin/lung irritant and indicate it is restricted or limited in cosmetic use unless formulated to avoid irritation.

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

Can older babies safely use Calcium Hydroxide?

Calcium Hydroxide is not recommended for 6-12 month old babies due to potential safety risks.

What are the irritant risks of Calcium Hydroxide for older babies?

Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin. This is especially important for babies whose skin and systems are still developing.

What are the asthma risks of Calcium Hydroxide for older babies?

Can make breathing issues like asthma worse in babies and kids. This is especially important for babies whose skin and systems are still developing.

What are the banned risks of Calcium Hydroxide for older babies?

Banned or heavily restricted in one or more countries. This is especially important for babies whose skin and systems are still developing.

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 appropriate for older babies to using products with Calcium Hydroxide?

The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 6-12 month old babies. Use the age selector above to check other ages.

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