For adults: this ingredient is not considered safe enough to prefer. It gets into the body through the skin and has studies showing it can affect hormones and may build up over time. Some countries limit or ban its use.
Look at the product ingredient list and avoid products that include 4‑Methylbenzylidene Camphor. Use mineral sunscreens (zinc oxide or titanium dioxide) instead. If you must use a product that contains it, use it sparingly and not every day; do a small patch test first. If you are pregnant, trying to get pregnant, or breastfeeding, avoid this ingredient.
Studies and regulatory reviews list several concerns: it is absorbed through the skin (transdermal penetration studies, 2008), there is evidence of hormone-related effects in animals and some peer-reviewed human-focused work (peer-reviewed literature; 2007 study on prostate development after exposure), and it has been the subject of formal restrictions and opinions by regulatory bodies (scientific opinion concerning this ingredient, 2006; European Chemicals Agency). These are the sources behind the warnings—watch for products listing this ingredient and for any skin irritation or unusual symptoms after use.
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This ingredient has the following documented risks:
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This ingredient may also be listed as:
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Scientific research related to this ingredient:
These research articles provide scientific evidence about 4-Methylbenzylidene Camphor safety and effects.
Use caution with 4-Methylbenzylidene Camphor for adults. Some safety concerns have been identified.
May mess with natural hormone development in babies and children.
Acts like fake hormones in the body, confusing natural signals.
Some studies link this to future fertility or reproductive issues.
Can be absorbed through the skin and get into the bloodstream.
Builds up in the body over time with repeated use.
Banned or heavily restricted in one or more countries.
Linked to long-term health effects after years of use or exposure.
Possible negative effects on the environment
4-Methylbenzylidene Camphor 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 adults. Use the age selector above to check other ages.
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