For children 5 years and older, acetaldehyde is best avoided. Government health groups have linked it to cancer and it can cause skin, eye and lung irritation. It may be banned or restricted in cosmetic products in some places.
Choose products made for kids that do not list acetaldehyde. If you spot this ingredient on a label, do not use that product on your child’s skin. Prefer rinse-off products over leave-on items if exposure is unavoidable. Do a small patch test on older children before using a new product. If your child develops redness, itching, swelling, or breathing problems after contact, wash the area with water and call your pediatrician.
Warnings come from government health organizations: the International Agency for Research on Cancer and California’s health agency have identified cancer concerns; the U.S. Environmental Protection Agency notes respiratory toxicity; and the European Union restricts or bans this chemical in cosmetics. It is also listed as an irritant for skin, eyes and lungs. Keep products that list acetaldehyde out of reach and avoid applying them to children’s skin.
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This ingredient has the following documented risks:
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Scientific research related to this ingredient:
These research articles provide scientific evidence about Acetaldehyde safety and effects.
Acetaldehyde is not recommended for 5+ year old children due to potential safety risks.
Connected to cancer risk with long-term or repeated exposure.
Banned or heavily restricted in one or more countries.
May harm organs like liver, kidneys, or lungs with repeated use.
Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin.
Can make breathing issues like asthma worse in babies and kids.
Can be absorbed through the skin and get into the bloodstream.
Linked to long-term health effects after years of use or exposure.
Acetaldehyde is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.
The appropriate age depends on the specific ingredient properties and concentration. This analysis is for 5+ year old children. Use the age selector above to check other ages.
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