by Hundred Dollar Labs

All 96 cosmetic ingredients on state ban lists, A–Z

Each substance with its INCI name, CAS number(s) and every state that names it, with the start date, the citation and the quoted text.

Substance (INCI)CASState listings
1,4-DioxaneCosIng record123-91-1
  • VT Jan 1, 2026: 9 V.S.A. § 2494b(a)(1), (3)–(17) (definitions § 2494a) (limit: Also banned at 10 ppm or more from any source, if the manufacturer knows (§2494b(c)); the trace-quantity carve-out in §2494b(b) applies only to intentionally added items.)
    Quote

    “(6) 1, 4-dioxane (CAS 123-91-1);”

    Source: legislature.vermont.gov · 1,4-dioxane is usually a by-product (e.g. of ethoxylated ingredients) rather than an ingredient; no INCI name in CosIng.

2-Bromo-2-Nitropropane-1,3-DiolCosIng record52-51-7
5-Bromo-5-Nitro-1,3-DioxaneCosIng record30007-47-7
7-EthylbicyclooxazolidineCosIng record7747-35-5
AcetaldehydeCosIng record75-07-0
Allyl isothiocyanateCosIng record57-06-7
Ammonium nonadecafluorodecanoateCosIng record3108-42-7
Ammonium pentadecafluorooctanoateCosIng record3825-26-1
Ammonium perfluorononanoateCosIng record4149-60-4
Ammonium perfluorooctane sulfonate; ammonium heptadecafluorooctanesulfonateCosIng record29081-56-9
AnthraquinoneCosIng record84-65-1
Asbestos–
Basic Blue 3CosIng record33203-82-6
Basic Blue 7CosIng record2390-60-5
Basic Blue 9CosIng record61-73-4
Basic Green 1CosIng record633-03-4
Basic Green 4CosIng record569-64-2
  • CA Jan 1, 2027: Cal. Health & Safety Code § 108980(b)
    Quote

    “(14) Malachite green (CAS no. 569-64-2).”

    Source: leginfo.legislature.ca.gov · CAS matches CosIng; INCI name is BASIC GREEN 4. CosIng Annex II record https://ec.europa.eu/growth/tools-databases/cosing/details/29408 also covers malachite green oxalate (18015-76-4), which the California text does not name.

Basic Red 46CosIng record89959-98-8
12221-69-1
  • CA Jan 1, 2027: Cal. Health & Safety Code § 108980(b)
    Quote

    “(23) 3(or5)-((4-(benzylmethylamino)phenyl)azo)-1,2 -(or1,4)-dimethyl-1H-1,2,4-triazolium and its salts (CAS nos. 89959-98-8 and 12221-69-1).”

    Source: leginfo.legislature.ca.gov · Both CAS match the CosIng Annex II record https://ec.europa.eu/growth/tools-databases/cosing/details/31104 (the EU entry is limited to hair dye use; the California text has no such limit). CAS 12221-69-1 is the CosIng INCI record BASIC RED 46.

Basic Violet 4CosIng record2390-59-2
BenzylhemiformalCosIng record14548-60-8
Boric AcidCosIng record10043-35-3
11113-50-1
  • CA Jan 1, 2027: Cal. Health & Safety Code § 108980(b)
    Quote

    “(B) Boric acid (CAS nos. 10043-35-3 and 11113-50-1).”

    Source: leginfo.legislature.ca.gov · Both CAS match CosIng. Vaginal suppository products with intentionally added boric acid: ban deferred to 2035-01-01 and warning label from 2027-01-01 (§108980(f), from SB 39); exempt if FDA-regulated as a drug.

Butylphenyl MethylpropionalCosIng record80-54-6
ChloroacetamideCosIng record79-07-2
CyclohexylamineCosIng record108-91-8
CyclotetrasiloxaneCosIng record556-67-2
Diazolidinyl UreaCosIng record78491-02-8
Dibutyl PhthalateCosIng record84-74-2
Diethanolamine perfluorooctane sulfonateCosIng record70225-14-8
Diethylhexyl PhthalateCosIng record117-81-7
Dimethyl OxazolidineCosIng record51200-87-4
Dimethylol GlycolCosIng record3586-55-8
Dimethylol UreaCosIng record140-95-4
Disodium octaborate anhydrousCosIng record12008-41-2
Disodium octaborate tetrahydrateCosIng record12280-03-4
Disodium tetraborate pentahydrate; borax pentahydrateCosIng record12179-04-3
Disperse Blue 1CosIng record2475-45-8
Disperse Blue 3CosIng record2475-46-9
DMDM HydantoinCosIng record6440-58-0
DMHFCosIng record26811-08-5
9065-13-8
FormaldehydeCosIng record50-00-0
Imidazolidinyl UreaCosIng record39236-46-9
IsobutylparabenCosIng record4247-02-3
IsopropylparabenCosIng record4191-73-5
Lead or lead compoundsCosIng record7439-92-1
  • WA Jan 1, 2025: RCW 70A.560.020(1)-(3) (limit: Banned if intentionally added, or present at 1 ppm or above from any source (statutory limit; Ecology may set another limit by rule). Ecology interim policy: no enforcement of the 1 ppm limit for registered products at <= 2 ppm (general cosmetics) or <= 5 ppm (color cosmetics, clay masks), or >5 to <10 ppm with batch monitoring.)
    Quote

    “intentionally added lead or lead compounds (CAS 7439-92-1)”

    Source: app.leg.wa.gov · CAS given is elemental lead; compounds covered (see class wa-lead-compounds). CosIng has only the EU Annex II entry 'Lead and its compounds'; LEAD ACETATE (CAS 301-04-2) is an INCI lead compound (CosIng https://ec.europa.eu/growth/tools-databases/cosing/details/80813).

  • VT Jan 1, 2026: 9 V.S.A. § 2494b(a)(1), (3)–(17) (definitions § 2494a)
    Quote

    “(9) lead and lead compounds (CAS 7439-92-1);”

    Source: legislature.vermont.gov · Lead compounds are also a class rule.

  • MD Jul 1, 2026: Md. Code, Health-General § 21-259.2 (definition of cosmetic: § 21-101(e))
    Quote

    “(12) LEAD (CAS NO. 7439–92–1); OR”

    Source: mgaleg.maryland.gov · Added only by 2026 ch. 284 (HB 1533), effective July 1, 2026; not in cross-filed ch. 283 (SB 656) and not yet on the MGA statute page as of 2026-10-04. Elemental lead only as written (no 'and its compounds'). No INCI record; CAS matches the CosIng Annex II entry 'Lead and its compounds'.

  • OR Jan 1, 2027: ORS 431A.345 (definitions ORS 431A.330) (limit: 10 parts per million or above is prohibited (or a level the Oregon Health Authority sets by rule); unlike the other listings this subsection is not limited to intentionally added lead)
    Quote

    “lead or lead compounds (CAS Registry Number 7439-92-1) at 10 parts per million”

    Source: oregonlegislature.gov · Separate subsection ORS 431A.345(2). CAS given is elemental lead; compounds also covered (see class or-lead-compounds). CosIng has only the Annex II entry 'Lead and its compounds' (CAS 7439-92-1), no INCI ingredient record.

Lithium perfluorooctane sulfonate; lithium heptadecafluorooctanesulfonateCosIng record29457-72-5
M-PhenylenediamineAlso: M-PHENYLENEDIAMINE SULFATECosIng record108-45-2
MDM HydantoinCosIng record116-25-6
27636-82-4
16228-00-5
  • WA Jan 1, 2027: WAC 173-339-110(1)(b), (2)(b)
    Quote

    “MDM Hydantoin | 116-25-6; 27636-82-4; 16228-00-5”

    Source: app.leg.wa.gov · CosIng lists MDM HYDANTOIN under CAS 116-25-6 only. PubChem resolves 27636-82-4 to 1-monomethylol-5,5-dimethylhydantoin and 16228-00-5 to 3-(hydroxymethyl)-5,5-dimethylhydantoin (the two MDM hydantoin isomers).

MEA-BorateCosIng record10377-81-8
MercuryCosIng record7439-97-6
MethenamineCosIng record100-97-0
MethylalCosIng record109-87-5
Methylene GlycolCosIng record463-57-0
MIPA-BorateCosIng record68003-13-4
Musk ambretteCosIng record83-66-9
Musk KetoneCosIng record81-14-1
  • CA Jan 1, 2027: Cal. Health & Safety Code § 108980(c) (limit: Max 1.4% in fine fragrance products, 0.56% in eau de toilette, 0% in oral products, 0.042% in all other cosmetic products)
    Quote

    “0.042 percent in all other products of musk ketone (CAS no. 81-14-1).”

    Source: leginfo.legislature.ca.gov · Added by AB 60 (2025). CAS matches CosIng.

Musk moskeneCosIng record116-66-5
Musk tibeteneCosIng record145-39-1
Musk XyleneCosIng record81-15-2
Nonadecafluorodecanoic acidCosIng record335-76-2
o-Phenylenediamine and its saltsCosIng record95-54-5
Oil from the seeds of Laurus nobilis L.CosIng record84603-73-6
  • CA Jan 1, 2027: Cal. Health & Safety Code § 108980(b)
    Quote

    “(15) Oil from the seeds of Laurus nobilis L. (CAS no. 84603-73-6).”

    Source: leginfo.legislature.ca.gov · No seed-oil INCI found. CAS matches the CosIng Annex II substance record, but 84603-73-6 is a whole-plant botanical CAS that CosIng also attaches to LAURUS NOBILIS OIL, LAURUS NOBILIS LEAF EXTRACT, BRANCH EXTRACT and leaf/stem waters, which the law does not name (it names only the seed oil). Do not match those INCI names on CAS alone.

Orthoboric acid, sodium saltCosIng record13840-56-7
ParaformaldehydeCosIng record30525-89-4
Perboric acids: Sodium salt, monohydrateCosIng record12040-72-1
  • CA Jan 1, 2027: Cal. Health & Safety Code § 108980(b)
    Quote

    “(ii) Sodium salt, monohydrate (CAS no. 12040-72-1).”

    Source: leginfo.legislature.ca.gov · Listed under (b)(19)(A). CAS matches CosIng Annex II perborate record https://ec.europa.eu/growth/tools-databases/cosing/details/97932; no CosIng INCI record lists this CAS (the SODIUM PERBORATE INCI record lists 15120-21-5, 7632-04-4, 11138-47-9).

Perfluorononanoic acid (PFNA)CosIng record375-95-1
Perfluorooctane sulfonate (PFOS); heptadecafluorooctane-1-sulfonic acidCosIng record1763-23-1
Perfluorooctanoic acid (PFOA)CosIng record335-67-1
PhytonadioneCosIng record84-80-0
Polyoxymethylene9002-81-7
  • WA Jan 1, 2027: WAC 173-339-110(1)(b), (2)(b)
    Quote

    “Polyoxymethylene | 9002-81-7”

    Source: app.leg.wa.gov · No CosIng INCI found for CAS 9002-81-7 or the name; PubChem's name lookup for this CAS returns an unrelated record, so the CAS is kept as the rule gives it, unverified.

Polyoxymethylene MelamineCosIng record9003-08-1
Polyoxymethylene UreaCosIng record9011-05-6
68611-64-3
Potassium BorateCosIng record12712-38-8
  • CA Jan 1, 2027: Cal. Health & Safety Code § 108980(b)
    Quote

    “(v) Potassium borate, boric acid potassium salt (CAS no. 12712-38-8).”

    Source: leginfo.legislature.ca.gov · Listed under (b)(19)(C). DISCREPANCY: the law's CAS 12712-38-8 matches the CosIng Annex II borates record, but the CosIng POTASSIUM BORATE INCI record gives CAS 1332-77-0. The INCI name matches the law's name; it is also covered by the borates class.

Potassium perfluorooctanesulfonate; potassium heptadecafluorooctane-1-sulfonateCosIng record2795-39-3
PyrogallolCosIng record87-66-1
Quaternium-15CosIng record51229-78-8
4080-31-3
Sodium BorateCosIng record1330-43-4
1303-96-4
Sodium heptadecafluorononanoateCosIng record21049-39-8
Sodium HydroxymethylglycinateCosIng record70161-44-3
Sodium nonadecafluorodecanoateCosIng record3830-45-3
Sodium PerborateCosIng record15120-21-5
11138-47-9
Sodium perborate monohydrateCosIng record10332-33-9
StyreneCosIng record100-42-5
Tetraboron disodium heptaoxide, hydrateCosIng record12267-73-1
Tetramethylolglycoluril5395-50-6
TimonacicCosIng record444-27-9
  • WA Jan 1, 2027: WAC 173-339-110(1)(b), (2)(b) (limit: Restricted only when used in heat-activated hair straighteners)
    Quote

    “Timonacic (when used in heat-activated hair straighteners) | 444-27-9”

    Source: app.leg.wa.gov · CosIng lists TIMONACIC under CAS 444-27-9 and 34592-47-7; the rule gives only 444-27-9.

TolueneCosIng record108-88-3
Tosylamide/Formaldehyde ResinCosIng record25035-71-6
Trichloroacetic acidCosIng record76-03-9
TriclosanCosIng record3380-34-5
Tricresyl PhosphateCosIng record1330-78-5
Trioctyldodecyl BorateCosIng record–
Tris-Hydroxymethylnitromethane126-11-4
Trisodium NTACosIng record5064-31-3
Urea, polymer with formaldehyde, isobutylated68002-18-6
Vinyl AcetateCosIng record108-05-4
Zinc BorateCosIng record1332-07-6

INCI names are from the EU CosIng database where one exists; otherwise the name used in the law. CAS numbers are the ones the law gives, cross-checked against CosIng or PubChem. Class rules (all PFAS, ortho-phthalates, formaldehyde releasers) are on each state page.