A branched-chain paraben. It works as a preservative, but the EU banned isobutyl- and isopropylparaben from cosmetics in 2014 over incomplete endocrine-safety data. The short-chain methyl- and ethylparaben stay approved and are considered safe.
Topical application
CWeak evidence. In vitro data, open-label studies, or expert consensus.
Banned in EU cosmetics since 2014. Its presence flags an old or unregulated formula. No reason to panic over a product already used, but new purchases with it do not appear on the Spanish market.
Irritation potential
LowAllergen risk
ModeratePregnancy
CautionSuitable for
Use with caution
The Evigrade extension adds an evidence panel to Wildberries, Goldapple, Letu, iHerb, Sephora and 12 more stores. This ingredient and every other one in the product show evidence-tier, allergen risk and pregnancy/lactation flags at a glance.
Isobutylparaben should be used with caution during pregnancy. Consulting a dermatologist or OB-GYN is advisable.
Isobutylparaben suits: normal, oily. Use with caution in: sensitive.
A branched-chain paraben.
The INCI name is Isobutylparaben. It may also appear as: Изобутилпарабен.
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