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isobutylparaben

CAS: 4247-02-3
CosIng ID: 34612
Functions: Preservative, Antimicrobial

Regions

Market	Status	Limit	Rule	Source
European Union	Restricted	≤ 0.14%	Annex V (propyl/butyl combined ≤0.14%)	Source
United States	No entry in our compiled ruleset — verify with FDA — FD&C Act + MoCRA.
South Korea	Restricted	≤ 0.14%	MFDS ≤0.14% (propyl + butyl combined)	Source
Japan	Restricted	≤ 0.3%	MHLW positive list ≤0.3%	Source
China	Restricted	≤ 0.14%	NMPA restricted ≤0.14%	Source
United Kingdom	No entry in our compiled ruleset — verify with OPSS — UK Cosmetics Regulation.
Canada	No entry in our compiled ruleset — verify with Health Canada — Cosmetic Ingredient Hotlist.
Australia	No entry in our compiled ruleset — verify with AICIS / TGA.
India	No entry in our compiled ruleset — verify with CDSCO / BIS — IS 4707.
Brazil	Banned	—	Listed in the Annex (prohibited substances) of RDC no. 529/2021 (MERCOSUL/GMC 62/14).	Source
Mexico	No entry in our compiled ruleset — verify with COFEPRIS.
ASEAN	No entry in our compiled ruleset — verify with ASEAN Cosmetic Directive — Annexes.
California (US)	Banned	—	Cal. Health & Safety Code §108980(a); CAS 4247-02-3	Source
Washington State (US)	No entry in our compiled ruleset — verify with Toxic-Free Cosmetics Act (HB 1047).

Retailer standards

Retailer	Status	Note	Source
Clean at Sephora	Banned	Parabens class prohibited under Sephora Clean	Source
Conscious Beauty at Ulta	Banned	Paraben — prohibited	Source
Target Clean	Banned	Paraben — prohibited	Source
Amazon listing compliance	Banned	Long-chain parabens — prohibited under Amazon Aware	Source
Credo Clean Standard	Banned	Dirty List — Hormone Disruption category, Parabens group ('all types prohibited')	Source
Whole Foods Body Care	No entry in our compiled ruleset — verify with Whole Foods Market body-care quality standards.
Whole Foods Premium Body Care	Banned	Unacceptable, Body Care - Premium list. Function: preservative.	Source
Walmart Sustainable Chemistry	Flagged	Walmart High Priority Chemical (HPC), disclosed 2016-07-20 — preservative in the paraben family, part of the 8-chemical HPC list for cosmetics/personal care.	Source
Walmart Made Without List	Banned	On Walmart's Made Without List for Beauty (main list, January 2023), published as "Isobutylparaben" (CAS 4247-02-3); matched to the INCI name "isobutylparaben" via the CosIng CAS index. Products carrying the Clean Beauty at Walmart badge are formulated without it.	Source
CVS store-brand chemicals policy	Banned	Parabens category, restricted (CAS 94-26-8) — verified in source	Source
Costco vendor compliance	No entry in our compiled ruleset — verify with Costco wholesale vendor requirements.
Douglas clean criteria	Banned	Parabens (Parabene) as a class excluded from Clean Beauty-labeled products. Confirmed in the program's published exclusion list.	Source
The Detox Market banned list	Banned	On The Detox Market's published banned-ingredients list. Stated concern: Endocrine Disruption, Reproductive Harm, Allergen, Organ Toxicity/Irritation, Carcinogen, possible contamination with 1,4-dioxane and ethylene oxide. Products stocked by The Detox Market are formulated without it.	Source

2026-07-21 · Compiled from cited primary sources. Informational only — not legal advice.

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