Magnesium Hydroxide

6-12 month old babiesSkin contact product

Check for Different Age (6 available)

Can older babies use Magnesium Hydroxide?

YES - Generally Safe
Danger Score: 1 (Lower is safer)
Quick Answer: Magnesium Hydroxide is generally considered safe for 6-12 month old babies when used in topical products. Monitor for any reactions in older babies.

ℹ️General Overview

For babies 6-12 months (infants), magnesium hydroxide in skin products is usually safe when it’s used in small amounts in baby-formulated products. Serious risks are rare, but there is some evidence that it can cause mild irritation to the skin, eyes, or breathing at higher strengths.

What to Do

Use only products made for babies that list magnesium hydroxide. Don’t put it near your baby’s eyes, nose, or mouth. Don’t apply it to broken or red skin. Use the smallest amount needed and follow the product directions. If you see any redness, swelling, stinging, or breathing changes, stop use and rinse the area; contact your pediatrician if it’s more than mild.

⚠️Warnings

Watch for redness, swelling, stinging, or eye irritation — limited evidence of these effects has been reported by regulatory reviews (European Chemicals Agency and Cosmetic Ingredient Review). Nano-sized forms may be more likely to be absorbed through skin (noted by NanoWerk). Some product certification programs require extra safety documentation or restrict use without it; choose baby-specific products and consult a pediatrician for frequent or large-area use.

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Organ Risk: A European chemical regulator (ECHA) has classified magnesium hydroxide as toxic or harmful for non-reproductive organs in some assessments. That means, in certain situations or at higher exposures, it could hurt organs such as the liver, kidneys, or lungs.
Irritant: Reviews by a European chemical agency (ECHA) and a cosmetic safety panel (CIR) report limited evidence that magnesium hydroxide can irritate skin, eyes, or the respiratory tract, and animal studies show eye irritation at high doses. This can cause redness, stinging, tearing, or coughing in sensitive people.
Absorbed: Nano-focused sources note nanoparticle forms and warn that nano-scale materials may absorb through skin. Supplier notes also list nanopowder forms of magnesium hydroxide, so those forms could enter the body through the skin more easily than larger particles.
Asthma: The same ECHA and cosmetic industry assessments mention limited evidence of respiratory irritation. If inhaled or if it causes lung irritation, magnesium hydroxide could make breathing problems or asthma worse in some children.
Immune system: A European chemical review (ECHA) found limited evidence of skin toxicity or allergic reactions. That suggests some people could have immune or allergic skin responses, like rashes or contact sensitivity.

Tap or hover over labels to see detailed risk information.

Alternative Names for Magnesium Hydroxide

This ingredient may also be listed as:

magnesium hydroxideKX 8S(B)PHILLIPS MILK OF MAGNESIA LIQUIDKX 8S(A)S/G 84MAGNESIUM HYDROXIDE, NANOPOWDER, <100 NM PARTICLE SIZE (LASER PSA), 99.8% TRACE METALS BASISEINECS 215-170-3MILMAG (TN)MINT-O-MAG (TN)DSB 100DP 393

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

Products Containing Magnesium Hydroxide

This ingredient is found in the following products:

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

Research Articles on Magnesium Hydroxide

Scientific research related to this ingredient:

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

Common Questions About Magnesium Hydroxide

Can older babies safely use Magnesium Hydroxide?

Yes, Magnesium Hydroxide is generally considered safe for 6-12 month old babies based on current research.

What are the organ risk risks of Magnesium Hydroxide for older babies?

May harm organs like liver, kidneys, or lungs with repeated use. This is especially important for babies whose skin and systems are still developing.

What are the irritant risks of Magnesium 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 absorbed risks of Magnesium Hydroxide for older babies?

Can be absorbed through the skin and get into the bloodstream. This is especially important for babies whose skin and systems are still developing.

What are the asthma risks of Magnesium 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 immune system risks of Magnesium Hydroxide for older babies?

Could weaken or confuse immune system. This is especially important for babies whose skin and systems are still developing.

What products contain Magnesium Hydroxide?

Magnesium 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 Magnesium 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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