Annex II Source last update: 02/03/2026

Prohibited cosmetic substances

LIST OF SUBSTANCES PROHIBITED IN COSMETIC PRODUCTS

Records on this page set

1739

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Source and verification note

CosIng Checker is an independent reference website built from publicly available European Commission cosmetic ingredient materials, including Annex II–VI datasets.

Use these pages for research, discovery and comparison, but verify critical regulatory decisions against the official source text and current law.

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Records

1739 total

Entry

503

Gases (petroleum), catalytic cracked naphtha depropanizer overhead, C3-rich acid-free, if they contain > 0.1% w/w Butadiene

CAS

68477-73-6

270-755-0

CMR 15/10/2010

Entry

504

Gases (petroleum), catalytic cracker, if they contain > 0.1% w/w Butadiene

CAS

68477-74-7

270-756-6

CMR 15/10/2010

Entry

505

Gases (petroleum), catalytic cracker, C1-5-rich, if they contain > 0.1% w/w Butadiene

CAS

68477-75-8

270-757-1

CMR 15/10/2010

Entry

506

Gases (petroleum), catalytic polymd. naphtha stabilizer overhead, C2-4-rich, if they contain > 0.1% w/w Butadiene

CAS

68477-76-9

270-758-7

CMR 15/10/2010

Entry

507

Gases (petroleum), catalytic reformed naphtha stripper overhead, if they contain > 0.1% w/w Butadiene

CAS

68477-77-0

270-759-2

CMR 15/10/2010

Entry

508

Gases (petroleum), catalytic reformer, C1-4-rich, if they contain > 0.1% w/w Butadiene

CAS

68477-79-2

270-760-8

CMR 15/10/2010

Entry

509

Gases (petroleum), C6-8 catalytic reformer recycle, if they contain > 0.1% w/w Butadiene

CAS

68477-80-5

270-761-3

CMR 15/10/2010

Entry

2,2,6-Trimethyl-4-piperidyl benzoate (eucaine) and its salts

CAS

500-34-5

—

17/10/2010

Entry

510

Gases (petroleum), C6-8 catalytic reformer, if they contain > 0.1 % w/w Butadiene

CAS

68477-81-6

270-762-9

CMR 15/10/2010

Entry

511

Gases (petroleum), C6-8 catalytic reformer recycle, hydrogen-rich, if they contain > 0.1% w/w Butadiene

CAS

68477-82-7

270-763-4

CMR 15/10/2010

Entry

512

Gases (petroleum), C3-5 olefinic-paraffinic alkylation feed, if they contain > 0.1% w/w Butadiene

CAS

68477-83-8

270-765-5

CMR 15/10/2010

Entry

513

Gases (petroleum), C2-return stream, if they contain > 0.1% w/w Butadiene

CAS

68477-84-9

270-766-0

CMR 15/10/2010

Entry

514

Gases (petroleum), C4-rich, if they contain > 0.1% w/w Butadiene

CAS

68477-85-0

270-767-6

CMR 15/10/2010

Entry

515

Gases (petroleum), deethanizer overheads, if they contain > 0.1% w/w Butadiene

CAS

68477-86-1

270-768-1

CMR 15/10/2010

Entry

516

Gases (petroleum), deisobutanizer tower overheads, if they contain > 0.1% w/w Butadiene

CAS

68477-87-2

270-769-7

CMR 15/10/2010

Entry

517

Gases (petroleum), depropanizer dry, propene-rich, if they contain > 0.1% w/w Butadiene

CAS

68477-90-7

270-772-3

CMR 15/10/2010

Entry

518

Gases (petroleum), depropanizer overheads, if they contain > 0.1 % w/w Butadiene

CAS

68477-91-8

270-773-9

CMR 15/10/2010

Entry

519

Gases (petroleum), dry sour, gas-concn. -unit-off, if they contain > 0.1 % w/w Butadiene

CAS

68477-92-9

270-774-4

CMR 24/11/2016

Entry

Isocarboxazid (INN)

CAS

59-63-2

200-438-4

17/10/2010

Entry

520

Gases (petroleum), gas concn. reabsorber distn., if they contain > 0.1% w/w Butadiene

CAS

68477-93-0

270-776-5

CMR 24/11/2016

Entry

521

Gases (petroleum), gas recovery plant depropanizer overheads, if they contain > 0.1% w/w Butadiene

CAS

68477-94-1

270-777-0

CMR 24/11/2016

Entry

522

Gases (petroleum), Girbatol unit feed, if they contain > 0.1% w/w Butadiene

CAS

68477-95-2

270-778-6

CMR 15/10/2010

Entry

523

Gases (petroleum), hydrogen absorber off, if they contain > 0,1% w/w Butadiene

CAS

68477-96-3

270-779-1

CMR 15/10/2010

Entry

524

Gases (petroleum), hydrogen-rich, if they contain > 0.1% w/w Butadiene

CAS

68477-97-4

270-780-7

CMR 24/11/2016

Entry

525

Gases (petroleum), hydrotreater blend oil recycle, hydrogen-nitrogen-rich, if they contain > 0.1 % w/w Butadiene

CAS

68477-98-5

270-781-2

CMR 15/10/2010

Entry

526

Gases (petroleum), isomerized naphtha fractionator, C4-rich, hydrogen sulfide-free, if they contain > 0.1% w/w Butadiene

CAS

68477-99-6

270-782-8

CMR 15/10/2010

Entry

527

Gases (petroleum), recycle, hydrogen-rich, if they contain > 0.1% w/w Butadiene

CAS

68478-00-2

270-783-3

CMR 15/10/2010

Entry

528

Gases (petroleum), reformer make-up, hydrogen-rich, if they contain > 0.1% w/w Butadiene

CAS

68478-01-3

270-784-9

CMR 15/10/2010

Entry

529

Gases (petroleum), reforming hydrotreater, if they contain > 0.1% w/w Butadiene

CAS

68478-02-4

270-785-4

CMR 15/10/2010

Entry

Bendroflumethiazide (INN) and its derivatives

CAS

73-48-3

200-800-1

17/10/2010

Entry

530

Gases (petroleum), reforming hydrotreater, hydrogen-methane-rich, if they contain > 0.1 % w/w Butadiene

CAS

68478-03-5

270-787-5

CMR 15/10/2010

Entry

531

Gases (petroleum), reforming hydrotreater make-up, hydrogen-rich, if they contain > 0.1 % w/w Butadiene

CAS

68478-04-6

270-788-0

CMR 15/10/2010

Entry

532

Gases (petroleum), thermal cracking distn., if they contain > 0.1% w/w Butadiene

CAS

68478-05-7

270-789-6

CMR 15/10/2010

Entry

533

Tail gas (petroleum), catalytic cracked clarified oil and thermal cracked vacuum residue fractionation reflux drum, if it contains > 0.1% w/w Butadiene

CAS

68478-21-7

270-802-5

CMR 15/10/2010

Entry

534

Tail gas (petroleum), catalytic cracked naphtha stabilization absorber, if it contains > 0.1 % w/w Butadiene

CAS

68478-22-8

270-803-0

CMR 15/10/2010

Entry

535

Tail gas (petroleum), catalytic cracker, catalytic reformer and hydrodesulfurized combined fractionater, if it contains > 0.1% w/w Butadiene

CAS

68478-24-0

270-804-6

CMR 15/10/2010

Entry

536

Tail gas (petroleum), catalytic cracker refractionation absorber, if it contains > 0.1% w/w Butadiene

CAS

68478-25-1

270-805-1

CMR 15/10/2010

Entry

537

Tail gas (petroleum), catalytic reformed naphtha fractionation stabilizer, if it contains > 0.1 % w/w Butadiene

CAS

68478-26-2

270-806-7

CMR 15/10/2010

Entry

538

Tail gas (petroleum), catalytic reformed naphtha separator, if it contains > 0.1% w/w Butadiene

CAS

68478-27-3

270-807-2

CMR 15/10/2010

Entry

539

Tail gas (petroleum), catalytic reformed naphtha stabilizer, if it contains > 0.1% w/w Butadiene

CAS

68478-28-4

270-808-8

CMR 15/10/2010

Entry

Beryllium and its compounds

CAS

7440-41-7

231-150-7

17/10/2010

Entry

540

Tail gas (petroleum), cracked distillate hydrotreater separator, if it contains > 0.1% w/w Butadiene

CAS

68478-29-5

270-809-3

CMR 15/10/2010

Entry

541

Tail gas (petroleum), hydrodesulfurized straight-run naphtha separator, if it contains > 0.1 % w/w Butadiene

CAS

68478-30-8

270-810-9

CMR 15/10/2010

Entry

542

Tail gas (petroleum), saturate gas plant mixed stream, C4-rich, if it contains > 0.1% w/w Butadiene

CAS

68478-32-0

270-813-5

CMR 15/10/2010

Entry

543

Tail gas (petroleum), saturate gas recovery plant, C1-2-rich, if it contains > 0.1% w/w Butadiene

CAS

68478-33-1

270-814-0

CMR 15/10/2010

Entry

544

Tail gas (petroleum), vacuum residues thermal cracker, if it contains > 0.1 % w/w Butadiene

CAS

68478-34-2

270-815-6

CMR 15/10/2010

Entry

545

Hydrocarbons, C3-4-rich, petroleum distillate, if they contain > 0.1% w/w Butadiene

CAS

68512-91-4

270-990-9

CMR 15/10/2010

Entry

546

Gases (petroleum), catalytic reformed straight-run naphtha stabilizer overheads, if they contain > 0.1% w/w Butadiene

CAS

68513-14-4

270-999-8

CMR 15/10/2010

Entry

547

Gases (petroleum), full-range straight-run naphtha dehexanizer off, if they contain > 0.1 % w/w Butadiene

CAS

68513-15-5

271-000-8

CMR 15/10/2010

Entry

548

Gases (petroleum), hydrocracking depropanizer off, hydrocarbon-rich, if they contain > 0.1 % w/w Butadiene

CAS

68513-16-6

271-001-3

CMR 15/10/2010

About this annex

Annex II covers substances prohibited in cosmetic products in the European Union. These entries are useful for compliance review, ingredient screening and regulatory research.

Each record may include chemical names, CAS numbers, EC numbers and related reference data to help identify substances more clearly.