dimethylhydantoin formaldehyde (DMHF)

Regions

MarketStatusLimitRuleSource
European UnionRestricted≤ 0.2%Annex V, entry 5 (preservative max 0.2%; 0.05% in oral)Source
United StatesNo entry in our compiled ruleset — verify with FDA — FD&C Act + MoCRA.
South KoreaRestricted≤ 0.2%MFDS ≤0.2% (as preservative; prohibited in aerosol)Source
JapanNo entry in our compiled ruleset — verify with MHLW — Standards for Cosmetics.
ChinaRestricted≤ 0.2%NMPA restricted ≤0.2% (released; prohibited in aerosol)Source
United KingdomFlagged≤ 0.001%Annex V preamble para 2 — mandatory 'contains formaldehyde' warning-label trigger for formaldehyde-releasing preservatives lowered from 0.05% to 0.001% releasable formaldehyde by SI 2026/23Source
CanadaRestricted≤ 0.2%Hotlist Part II (Restricted) entry, CAS 50-00-0: not permitted in aerosol products; max 0.01% in non-aerosol products that release formaldehyde vapours; 0.1% in oral products; 0.2% as a preservative in non-oral products; 5.0% in nail hardeners (must ship with nail shields and a skin-sensitivity warning). Confirmed near-verbatim via search corroboration.Source
AustraliaNo entry in our compiled ruleset — verify with AICIS / TGA.
IndiaRestricted≤ 5%IS 4707 (Part 2) Annex B entry 15: permitted only as nail hardener up to 5% (calculated as formaldehyde), cuticles must be protected with grease/oil and label must state 'Contains formaldehyde'Source
BrazilRestrictedRegulated with a maximum-concentration limit under Annex I (restricted substances) of RDC no. 530/2021, now updated/replaced by RDC no. 1.029/2026 (internalizing MERCOSUL/GMC Resolution 06/25, confirmed as a real resolution establishing Brazil's restricted-substances list and revoking RDC 530/2021); the exact numeric % ceiling could not be independently confirmed from the primary annex table in this pass and is therefore omitted rather than guessed.Source
MexicoRestricted≤ 0.2%Artículo SEGUNDO — 0.20% as free formaldehyde when used as preservative (not permitted in aerosols or products for children); 7.00% permitted only as nail hardenerSource
ASEANRestricted≤ 2.2%ACD Annex III Part 1, Ref. No 13 — max 2.2% in nail-hardening products, allowed only in Lao PDR, must be labeled "Contains formaldehyde". Verified verbatim.Source
California (US)BannedCal. Health & Safety Code §108980(a); CAS 50-00-0Source
Washington State (US)BannedRCW 70A.560.020(1)(c) (CAS 50-00-0) — intentionally added prohibition, effective 2025-01-01Source

Retailer standards

RetailerStatusNoteSource
Clean at SephoraBannedProhibited under Sephora CleanSource
Conscious Beauty at UltaBannedProhibited under Ulta Conscious BeautySource
Target CleanBannedProhibited under Target CleanSource
Amazon listing complianceBannedProhibited under Amazon AwareSource
Credo Clean StandardNo entry in our compiled ruleset — verify with The Credo Clean Standard dirty list.
Whole Foods Body CareBannedListed "unacceptable"; function: preservative. Confirmed verbatim in source PDF table.Source
Whole Foods Premium Body CareBannedUnacceptable, Body Care - Premium list. Function: preservative. CORRECTED: the source table's "updated 9-08" qualifier belongs to the adjacent 'fluoride' row, not formaldehyde, which carries no qualifier text.Source
Walmart Sustainable ChemistryFlaggedWalmart High Priority Chemical (HPC) — one of 8 substances publicly named 2016-07-20 (developed with Environmental Defense Fund) under the Policy on Sustainable Chemistry in Consumables, whose scope covers formulated household cleaning, personal care, and beauty products at Walmart U.S. & Sam's Club U.S. Not a numeric cap — a reduce/restrict/eliminate target via 'informed substitution'; suppliers reported ~95-96% reduction by weight of HPCs since baseline.Source
Walmart Made Without ListNo entry in our compiled ruleset — verify with Walmart made-without-list substances.
CVS store-brand chemicals policyBannedFormaldehyde and donors category — restricted across CVS Store Brand Baby & Child, Beauty, Personal Care, and Sun Care product lines (CAS 50-00-0) — verified present in source PDF with matching CASSource
Costco vendor complianceRestrictedFormaldehyde is a named COC listed verbatim in the Costco Smart Screening protocol list.Source
Douglas clean criteriaBannedFormaldehyde excluded from Clean Beauty-labeled products. Confirmed in the program's published exclusion list.Source
The Detox Market banned listNo entry in our compiled ruleset — verify with The Detox Market banned-ingredient list.

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

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