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Annex III Source last update: 02/03/2026

Restricted cosmetic substances

LIST OF SUBSTANCES WHICH COSMETIC PRODUCTS MUST NOT CONTAIN EXCEPT SUBJECT TO THE RESTRICTIONS LAID DOWN

Records on this page set
373
Current page
5
Total pages
8

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.

Records

373 total
Entry
288

HC Blue No 17

3-[(4-amino-3- methyl-9,10-dioxo-9,10-dihydroanthracen-1- yl)amino]-N,N,N -trimethylpropan-1-aminium, methylsulfate salt

(a) To be printed on the label: The mixing ratio Hair colorants can cause severe allergic reactions. Read and folow instructions. This product is not intended for use on persons under the age of 16. Temporary "black hen…

CAS
16517-75-2
EC
605-392-2
Max concentration Product type 05/08/2015
Entry
289

HC BLUE NO 15

Phosphoric acid compound with 4-[(2,6-dichlorophenyl) (4-imino- 3,5-dimethyl-2,5- cyclohexadien-1- ylidene) methyl]- 2,6-dimethylaniline (1:1)

(a) To be printed on the label: The mixing ratio Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary "black h…

CAS
74578-10-2
EC
277-929-5
Max concentration Product type 05/08/2015
Entry
29

Calcium monofluorophosphate

Contains calcium monofluorophosphate. For any toothpaste with compounds containing fluorine in a concentration of 0,1 to 0,15 % calculated as F unless it is already labelled as contra-indicated for children (e.g. “for …

CAS
7789-74-4
EC
232-187-1
Max concentration Product type 14/05/2013
Entry
290

ACID GREEN 25

Disodium 2,2′- (9,10-dioxoanthracene-1,4-diyldiimino)bis(5- methylsulphonate)

Hair dye substance in non-oxidative hair dye products

CAS
4403-90-1
EC
224-546-6
Max concentration Product type 05/08/2015
Entry
291

ACID VIOLET 43

Sodium, 4- [(9,10-dihydro-4- hydroxy-9,10-dioxo-1-anthryl) amino]toluene-3- sulphonate

Hair dye substance in non-oxidative hair dye products

CAS
4430-18-6
EC
224-618-7
Max concentration Product type 12/08/2020
Entry
292

2-METHOXYMETHYL-P-PHENYLENEDIAMINE /2-METHOXYMETHYL-P-PHENYLENEDIAMINE SULFATE

1,4-Benzenediamine, 2-(methoxymethyl) 1,4-Benzenediamine, 2-(methoxymethyl)-, sulfate

(a) To be printed on the label: The mixing ratio. ‘! Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “b…

CAS
337906-36-2 ; 337906-37-3
EC
679-526-3; 638-749-6
Product type 23/11/2020
Entry
293

Hydroxyanthraquinone-aminopropyl Methyl Morpholinium Methosulfate

1-N-Methylmorpholiniumpropylamino-4-hydroxyanthraquinone, methyl sulfate

To be printed on the label: “Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “black henna” tattoos may …

CAS
38866-20-5
EC
254-161-9
Max concentration Product type 05/08/2015
Entry
294

Disperse Red 17

Ethanol, 2,2′-[[3- methyl-4-[(E)-(4- nitrophenyl)azo] phenyl]imino]bis-

(a)To be printed on the label: The mixing ratio. “Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “black…

CAS
3179-89-3
EC
221-665-5
Max concentration Product type 05/08/2015
Entry
295

Acid Black 1

4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt

Hair dye substance in non-oxidative hair dye products

CAS
1064-48-8
EC
213-903-1
Max concentration Product type 05/08/2015
Entry
296

Pigment Red 57

Disodium 3-hydroxy-4-[(E)-(4- methyl-2-sulfonatophenyl)diazenyl]-2-naphthoate

Hair dye substance in non-oxidative hair dye products

CAS
5858-81-1
EC
227-497-9
Max concentration Product type 05/08/2015
Entry
297

ETHOXYDIGLYCOL

2-(2-ethoxyethoxy)ethanol Diethylene Glycol Monoethyl Ether (DEGEE), Ethoxydiglycol

(a) to (e): The level of ethylene glycol impurity in Ethoxydiglycol must be ≤ 0,1 %. Not to be used in eye products and oral products

CAS
111-90-0
EC
203-919-7
Max concentration Product type 24/10/2018
Entry
298

HC RED NO 17

Di[2-[4-[(E)-2-[4- [bis(2-hydroxyethyl)aminophenyl]vinyl]pyridin-1- ium] butanoyl]aminoethyl]di-sulfanyl dichloride

As from 3 September 2017: — Do not use with nitrosating agents — Maximum nitrosamine content: 50 μg/kg — Keep in nitrite-free containers

CAS
1449471-67-3
EC
Max concentration Product type 27/07/2020
Entry
299

HC YELLOW NO 17

Di[2-[4-[(E)-2- [2,4,5-trimethoxyphenyl]vinyl]pyridinin-1-ium]butanoyl]aminoethyl]disulfanyl dichloride

As from 3 March 2018: “Hair colourants can cause severe allergic reac­tions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tat­toos may increa…

CAS
1450801-55-4
EC
Max concentration Product type 27/07/2020
Entry
2a

THIOGLYCOLIC ACID

Thioglycolic acid and its salts

Conditions of use: (a) (b) (c) (d) Avoid contact with eyes Rinse eyes immediately if product comes into contact with them. (a) (c) (d) Wear suitable gloves Warnings to be printed on the label: (a)(i) (b) (c) Contains…

CAS
68-11-1
EC
200-677-4
Max concentration Product type 27/07/2020
Entry
2b

Thioglycolic acid esters

Conditions of use: (a) (b) May cause sensitization in the event of skin contact Avoid contact with eyes In the event of contact with eyes, rinse immediately with plenty of water and seek medical advice Wear suitable …

CAS
EC
Max concentration Product type 17/10/2010
Entry
3

OXALIC ACID

Oxalic acid, its esters and alkaline salts

For professional use only

CAS
144-62-7
EC
205-634-3
Max concentration Product type 17/10/2010
Entry
30

Calcium fluoride

Contains calcium fluoride For any toothpaste with compounds containing fluorine in a concentration of 0.1 to 0.15% calculated as F unless it is already labelled as contra-indicated for children (e.g. "for adult use onl…

CAS
7789-75-5
EC
232-188-7
Max concentration Product type 14/05/2013
Entry
300

1-HEXYL 4,5-DIAMINO PYRAZOLE SULFATE

1H-Pyrazole-4,5- diamine, 1-hexyl-, sulfate (2:1)

As from 3 March 2018, to be printed on the label: The mixing ratio. ‘Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16…

CAS
1361000-03-4
EC
Product type 27/07/2020
Entry
301

2,5,6-TRIAMINO- 4-PYRIMIDINOL SULFATE

4-Hydroxy-2,5,6- triaminopyrimidine sulfate

As from 3 March 2018, to be printed on the label: The mixing ratio. ‘ Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 1…

CAS
1603-02-7
EC
216-500-9
Product type 27/07/2020
Entry
302

HYDROXYETHOXY AMINOPYRAZOLOPYRIDINE HCL

2-[(3-Aminopyrazolo[1,5-a]pyridin-2- yl)oxy]ethanol hydrochloride

As from 3 March 2018, to be printed on the label: The mixing ratio. ‘Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16…

CAS
1079221-49-0
EC
695-745-7
Product type 27/07/2020
Entry
303

3-AMINO-2,6- DIMETHYLPHENOL

Phenol, 3-amino-2,6- dimethyl

As from 3 March 2018, to be printed on the label: The mixing ratio. ‘ Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 1…

CAS
6994-64-5
EC
230-268-6
Product type 27/07/2020
Entry
304

BASIC BROWN 17

2-Naphthalenaminium, 8-[(4- amino-3-nitrophenyl)azo]-7-hydroxy- N,N,N-trimethyl-, chloride

Hair dye substance in non-oxidative hair dye products

CAS
68391-32-2
EC
269-944-0
Max concentration Product type 27/07/2020
Entry
305

BASIC BLUE 124

3-Amino-7- (dimethylamino)-2- methoxyphenoxazin- 5-ium chloride

As from 3 March 2018: ‘ Hair colourants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary “black henna” tattoos may increas…

CAS
67846-56-4
EC
267-370-5
Max concentration Product type 27/07/2020
Entry
307

HYDROLYZED WHEAT PROTEIN

Hydrolyzed wheat protein

Maximum molecular weight average of the peptides in hydrolysates: 3,5 kDa (23 )

CAS
94350-06-8 / 222400-28-4 / 70084-87-6 / 100209- 50-5
EC
305-225-0/ -/ 309-358-5
27/07/2020
Entry
308

Tagetes minuta flower extract; Tagetes minuta flower oil

For (a) and (b): Alpha terthienyl (terthiophen) content in the extract/oil ≤ 0,35 %. For (a): Not to be used in sunscreen products and products marketed for exposure to natural/artificial UV light. For (a) and (b): In…

CAS
91770-75-1; 91770-75-1/8016-84-0
EC
294-862-7; 294-862-7
Max concentration Product type 27/07/2020
Entry
309

Tagetes patula flower extract; Tagetes patula flower oil

For (a) and (b): Alpha terthienyl (terthiophen) content in the extract/oil ≤ 0,35 %. For (a): Not to be used in sunscreen products and products marketed for exposure to natural/artificial UV light. For (a) and (b): In…

CAS
91722-29-1; 91722-29-1/8016-84-0
EC
294-431-3; 294-431-3/-
Max concentration Product type 27/07/2020
Entry
31

Sodium fluoride

Contains sodium fluoride For any toothpaste with compounds containing fluorine in a concentration of 0.1 to 0.15% calculated as F unless it is already labelled as contra-indicated for children (e.g. "for adult use only…

CAS
7681-49-4
EC
231-667-8
Max concentration Product type 14/05/2013
Entry
310

CLIMBAZOLE

1-(4-Chlorophenoxy)-1-(imidazol-1-yl)-3,3-dimethylbutan-2-one

For purposes other than inhibiting the development of micro-organisms in the product. This purpose has to be apparent from the presentation of the product.

CAS
38083-17-9;
EC
253-775-4;
Max concentration Product type 28/07/2020
Entry
312

FURFURAL

2-Furaldehyde
CAS
98-01-1
EC
202-627-7
Max concentration CMR 26/11/2020
Entry
313

HEMA

2-Hydroxyethyl Methacrylate

For professional use only. Can cause an allergic reaction.

CAS
868-77-9
EC
212-782-2
Product type 24/11/2020
Entry
314

DI-HEMA TRIMETHYLHEXYL DICARBAMATE

11,14-Dioxa-2,9-diazaheptadec-16-enoic Acid, 4,4,6,16-tetramethyl-10,15-dioxo, 2-[(2-methyl-1-oxo-2-propenyl)oxy]ethyl ester

For professional use only. Can cause an allergic reaction.

CAS
41137-60-4 / 72869-86-4
EC
255-239-5 / 276-957-5
Product type 24/11/2020
Entry
315

DIMETHYLPIPERAZINIUM AMINOPYRAZOLOPYRIDINE HCL

4-(3-aminopyrazolo[1,5-A]pyridin-2-yl)-1,1-dimethylpiperazin-1-ium chloride hydrochloride

As from 3 December 2021, to be printed on the label: The mixing ratio. ‘! Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age …

CAS
1256553-33-9
EC
813-255-5
Product type 24/11/2020
Entry
316

METHYLIMIDAZOLIUMPROPYL P-PHENYLENEDIAMINE HCL

1-(3-((4-Aminophenyl)amino)propyl)-3-methyl-1H-imidazol-3-ium chloride hydrochloride

As from 3 December 2021, to be printed on the label: The mixing ratio. ‘! Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the a…

CAS
220158-86-1
EC
Product type 24/11/2020
Entry
317

HC Orange No. 6

Di-[2-[(E)-2-[4-[bis(2-hydroxyethyl)aminophenyl]vinyl]pyridin-1-ium]-ethyl]disulphide dimethanesulfonate

Methanesulfonates impurities, in particular ethyl methanesulfonate shall not be present.

CAS
1449653-83-1
EC
Max concentration Product type 24/11/2020
Entry
318

ACID ORANGE 7

Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzene sulfonate

Hair dye substance in non-oxidative hair dye products.

CAS
633-96-5
EC
211-199-0
Max concentration Product type 24/11/2020
Entry
319

TETRABROMOPHENOL BLUE

Phenol, 4,4'-(4,5,6,7-tetrabromo-1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[2,6-dibromo-

(a) As from 3 December 2021, to be printed on the label: The mixing ratio. ‘Image 5 Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons u…

CAS
4430-25-5
EC
224-622-9
Max concentration Product type 24/11/2020
Entry
32

POTASSIUM FLUORIDE

Potassium fluoride

Contains potassium fluoride For any toothpaste with compounds containing fluorine in a concentration of 0.1 to 0.15% calculated as F unless it is already labelled as contra-indicated for children (e.g. "for adult use o…

CAS
7789-23-3
EC
232-151-5
Max concentration Product type 14/05/2013
Entry
321

TITANIUM DIOXIDE

Titanium dioxide in powder form containing 1 % or more of particles with aerodynamic diameter ≤ 10 μm

a) (b) Only in the pigmentary form (c) Not to be used in applications that may lead to exposure of the end-user’s lungs by inhalation

CAS
13463-67-7/ 1317-70-0/ 1317-80-2
EC
236-675-5/ 215-280-1/ 215-282-2
Max concentration Product type 23/03/2022
Entry
322

DIHYDROXYACETONE

1,3-Dihydroxy-2-propanone

(a) Hair dye substance in non-oxidative hair dye products (*) (b) Self-tanning products (*) (*) From 26 January 2022 hair dye and self-tanning products containing that substance and not complying with the restrictions…

CAS
96-26-4
EC
202-494-5
Max concentration Product type 18/10/2021
Entry
323

METHYL N-METHYLANTHRANILATE

Methyl-N-methylanthranilate

For (a): Not to be used in sunscreen products and products marketed for exposure to natural or artificial UV light. For (a) and (b): — Do not use with nitrosating agents — Maximum nitrosamine content: 50 μg/kg — Keep i…

CAS
85-91-6
EC
201-642-6
Max concentration Product type 27/07/2022
Entry
324

METHYL SALICYLATE

Methyl 2-hydroxybenzoate

Not to be used in preparations for children under 6 years of age, with the exception of (k) “Toothpaste”. The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (…

CAS
119-36-8
EC
204-317-7
Max concentration Product type CMR 11/09/2023
Entry
325

Butylated Hydroxytoluene

2,6-Di-Tert-Butyl-4-Methylphenol

From 1 July 2023 cosmetic products containing that substance and not complying with the restrictions shall not be placed on the Union market. From 1 January 2024 cosmetic products containing that substance and not compl…

CAS
128-37-0
EC
204-881-4
Max concentration Product type 11/11/2022
Entry
326

Acid Yellow 3

1H-Indene-1,3(2H)-dione, 2-(2-quinolinyl)-, sulfonated, sodium salts (CI 47005)

From 1 July 2023 non-oxidative hair dye products containing that substance and not complying with the restrictions shall not be placed on the Union market. From 1 January 2024 non-oxidative hair dye products containing …

CAS
8004-92-0
EC
305-897-5
Max concentration Product type 11/11/2022
Entry
327

Acetyl Cedrene

[3R-(3α,3aβ,7β,8aα)]- 1-(2,3,4,7,8,8a- hexahydro-3,6,8,8-tetramethyl- 1H-3a,7-methanoazulen-5-yl)ethan- 1-one

The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products.

CAS
32388-55-9
EC
251-020-3
03/10/2023
Entry
328

Amyl Salicylate

Pentyl-2-hydroxy- benzoate

The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products.

CAS
2050-08-0
EC
218-080-2
03/10/2023
Entry
329

Anethole

1-Methoxy-4-(1E)- 1-propen-1-yl- benzene (trans- Anethole)

The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products.

CAS
104-46-1/ 4180-23-8
EC
203-205-5/ 224-052-0
03/10/2023
Entry
33

AMMONIUM FLUORIDE

Ammonium fluoride

Contains ammonium fluoride. For any toothpaste with compounds containing fluorine in a concentration of 0,1 to 0,15 % calculated as F unless it is already labelled as contra-indicated for children (e.g. “for adult use …

CAS
12125-01-8
EC
235-185-9
Max concentration Product type 14/05/2013
Entry
330

Benzaldehyde

The presence of the substance shall be indicated in the list of ingredients referred to in Article 19(1), point (g), when its concentration exceeds: — 0,001 % in leave-on products — 0,01 % in rinse-off products.

CAS
100-52-7
EC
202-860-4
14/09/2023

About this annex

Annex III covers substances that cosmetic products must not contain except under specific restrictions. These records often include warnings, conditions of use and concentration limits.

This section is especially useful for reviewing restricted substances, warning labels and product-type specific usage notes.