Washington State (US)

Toxic-Free Cosmetics Act (HB 1047)

Washington Toxic-Free Cosmetics Act (RCW 70A.560) and Chapter 173-339 WAC

34 compiled entries · 33 banned · 1 restricted

IngredientStatusLimitRuleCitation
ortho-phthalates (esters of ortho-phthalic acid)BannedRCW 70A.560.020(1)(a) — intentionally added prohibition, effective 2025-01-01Source
perfluoroalkyl and polyfluoroalkyl substances (PFAS)BannedRCW 70A.560.020(1)(b) — intentionally added prohibition, effective 2025-01-01Source
formaldehydeBannedRCW 70A.560.020(1)(c) (CAS 50-00-0) — intentionally added prohibition, effective 2025-01-01Source
methylene glycolBannedRCW 70A.560.020 (CAS 463-57-0) — intentionally added prohibition, effective 2025-01-01Source
mercury and mercury compoundsBannedRCW 70A.560.020 (CAS 7439-97-6) — intentionally added prohibition, effective 2025-01-01Source
triclosanBannedRCW 70A.560.020 (CAS 3380-34-5) — intentionally added prohibition, effective 2025-01-01Source
m-phenylenediamine and its saltsBannedRCW 70A.560.020 (CAS 108-45-2) — intentionally added prohibition, effective 2025-01-01Source
o-phenylenediamine and its saltsBannedRCW 70A.560.020 (CAS 95-54-5) — intentionally added prohibition, effective 2025-01-01Source
lead and lead compoundsRestricted≤ 0.0001%RCW 70A.560.020(2) — intentionally added, or present at ≥1 ppm (0.0001%), effective 2025-01-01Source
DMDM hydantoinBannedWAC 173-339-110 item 1, CAS 6440-58-0 — intentionally added formaldehyde releaser, effective 2027-01-01Source
diazolidinyl ureaBannedWAC 173-339-110 item 2, CAS 78491-02-8 — intentionally added formaldehyde releaser, effective 2027-01-01Source
imidazolidinyl ureaBannedWAC 173-339-110 item 3, CAS 39236-46-9 — intentionally added formaldehyde releaser, effective 2027-01-01Source
quaternium-15BannedWAC 173-339-110 item 4, CAS 4080-31-3 / 51229-78-8 — intentionally added formaldehyde releaser, effective 2027-01-01Source
tosylamide/formaldehyde resin (PTSAF)BannedWAC 173-339-110 item 5, CAS 25035-71-6 — intentionally added formaldehyde releaser, effective 2027-01-01Source
2-bromo-2-nitropropane-1,3-diol (bronopol)BannedWAC 173-339-110 item 6, CAS 52-51-7 — intentionally added formaldehyde releaser, effective 2027-01-01Source
sodium hydroxymethylglycinateBannedWAC 173-339-110 item 7, CAS 70161-44-3 — intentionally added formaldehyde releaser, effective 2027-01-01Source
polyoxymethylene ureaBannedWAC 173-339-110 item 8, CAS 9011-05-6 / 68611-64-3 — intentionally added formaldehyde releaser, effective 2027-01-01Source
polyoxymethylene melamineBannedWAC 173-339-110 item 9, CAS 9003-08-1 — intentionally added formaldehyde releaser, effective 2027-01-01Source
5-bromo-5-nitro-1,3-dioxane (bronidox)BannedWAC 173-339-110 item 10, CAS 30007-47-7 — intentionally added formaldehyde releaser, effective 2027-01-01Source
7-ethylbicyclooxazolidine (bioban CS-1246)BannedWAC 173-339-110 item 11, CAS 7747-35-5 — intentionally added formaldehyde releaser, effective 2027-01-01Source
benzylhemiformalBannedWAC 173-339-110 item 12, CAS 14548-60-8 — intentionally added formaldehyde releaser, effective 2027-01-01Source
dimethylhydantoin formaldehyde (DMHF)BannedWAC 173-339-110 item 13, CAS 26811-08-5 / 9065-13-8 — intentionally added formaldehyde releaser, effective 2027-01-01Source
dimethylol glycolBannedWAC 173-339-110 item 14, CAS 3586-55-8 — intentionally added formaldehyde releaser, effective 2027-01-01Source
dimethylol ureaBannedWAC 173-339-110 item 15, CAS 140-95-4 — intentionally added formaldehyde releaser, effective 2027-01-01Source
dimethyl oxazolidineBannedWAC 173-339-110 item 16, CAS 51200-87-4 — intentionally added formaldehyde releaser, effective 2027-01-01Source
MDM hydantoinBannedWAC 173-339-110 item 17, CAS 116-25-6 / 27636-82-4 / 16228-00-5 — intentionally added formaldehyde releaser, effective 2027-01-01Source
methenamineBannedWAC 173-339-110 item 18, CAS 100-97-0 — intentionally added formaldehyde releaser, effective 2027-01-01Source
methylalBannedWAC 173-339-110 item 19, CAS 109-87-5 — intentionally added formaldehyde releaser, effective 2027-01-01Source
paraformaldehydeBannedWAC 173-339-110 item 20, CAS 30525-89-4 — intentionally added formaldehyde releaser, effective 2027-01-01Source
polyoxymethyleneBannedWAC 173-339-110 item 21, CAS 9002-81-7 — intentionally added formaldehyde releaser, effective 2027-01-01Source
tetramethylolglycolurilBannedWAC 173-339-110 item 22, CAS 5395-50-6 — intentionally added formaldehyde releaser, effective 2027-01-01Source
timonacicBannedWAC 173-339-110 item 23, CAS 444-27-9 — restricted specifically when used in heat-activated hair straighteners, effective 2027-01-01 (verbatim conditional note confirmed in the adopted rule table)Source
tris(hydroxymethyl)nitromethaneBannedWAC 173-339-110 item 24, CAS 126-11-4 — intentionally added formaldehyde releaser, effective 2027-01-01Source
urea, polymer with formaldehyde, isobutylatedBannedWAC 173-339-110 item 25, CAS 68002-18-6 — intentionally added formaldehyde releaser, effective 2027-01-01Source

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

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