Talcum Powder vs Cornstarch for Babies: Is Either Safe?

Quick answer: Neither talcum powder nor cornstarch is necessary for babies. The AAP says powders are not considered essential to routine infant skin care, talc carries a risk of asbestos contamination according to the FDA, and cornstarch is considered somewhat safer but its particles can still be inhaled. For diaper rash, the AAP recommends a zinc oxide or petrolatum barrier ointment, frequent changes and air-drying.

Baby powder is a nursery habit that many parents grew up with. This guide covers what the FDA and the AAP say, why the particles matter, and what to use instead. It is general information, not medical advice.

What Is the Difference Between Talc and Cornstarch Powder?

Talc is a mineral that is milled into a fine powder, and cornstarch is a plant starch. Both are sold as baby, body and anti-chafing powders. Talc-free baby powders are usually cornstarch-based, so the question many parents ask is whether cornstarch is a safe swap.

What the FDA Says About Talc

The FDA's page on talc says that talc and asbestos are both naturally occurring minerals often found near each other, so there is a potential for talc to be contaminated with asbestos, a known carcinogen when inhaled. It says older studies suggested a possible link between genital use of talc powder and ovarian cancer, but that this has not been conclusively shown. The FDA has tested talc-containing products for asbestos since 2019, and in October 2019 it warned consumers not to use certain cosmetic products that tested positive, with a related update reporting a baby powder manufacturer's voluntary recall. It also notes that cosmetics do not need FDA approval before they are sold.

What the AAP Says

A 2018 Jamaica Observer article quotes the American Academy of Pediatrics as saying that powders are not considered essential to the routine skin care of infants, that talc-based powders can irritate infants' lungs if inhaled, and that any powder should be kept out of children's reach, because some containers look like baby bottles. It also quotes a consultant paediatrician who says that powder is unnecessary and that cornstarch powders are considered somewhat safer than talc because their particles are larger, but are still small enough to be inhaled and are not generally encouraged. We could not open the AAP's own page on powders, so check healthychildren.org for its current wording.

What to Use for Diaper Rash Instead

The AAP's diaper rash guidance names zinc oxide and petrolatum as good barrier ointments, says fragrance-free products are best and that the ingredients matter more than the brand, and advises applying a thick layer, "like icing on a cupcake." It also advises changing diapers frequently, patting the skin gently and letting it air-dry, choosing a highly absorbent diaper and avoiding tight diapers, especially overnight. It does not mention talc or cornstarch powders. It warns against using over-the-counter antibiotic ointment on diaper rashes.

When to Call the Pediatrician

• The rash is not going away, or is getting worse after two to three days of treatment.
• It has pimples, peeling, blisters, or pus-filled, oozing or crusty sores.
• It is especially painful.
• Your baby has a fever with the rash.
• Your baby is on an antibiotic and develops a bright pink or red rash with red spots at the edges.

If You Still Want to Use a Powder

• Ask your pediatrician first.
• Never shake powder near your baby's face. Pour it into your hand away from the baby, then apply it.
• Choose a talc-free product with a short ingredient list, and keep the container out of reach, as the AAP advises.
• Stop using it and call the pediatrician if your baby coughs, breathes fast or seems to struggle after exposure to powder.

Reading Baby Product Labels

Powder labels list talc, cornstarch or both, plus fragrance and other ingredients. LabelBaby scans baby food and product labels, and it is a mobile app that is coming soon. See also our guides to are diapers toxic and baby wipes ingredients to avoid. This guide is general information, not medical advice.