# The Cosmetic Products (Safety) Regulations 2003, Part I: PRESERVATIVES LISTED IN ANNEX VI, PART 1 OF THE DIRECTIVE AS PRESERVATIVES WHICH COSMETIC PRODUCTS MAY NOT CONTAIN EXCEPT SUBJECT TO THE RESTRICTIONS LAID DOWN


(1)
(2)
(3)
(4)
(5)
(6)
Reference Number
Name of substance
Purpose of substance or type of product
Maximum concentration of substance in product
Other requirements
Required information
1
Benzoic acid, its salts and esters
All products
0.5 per cent (expressed as acid)
A
—
—
2
Propionic acid and its salts
All products
2 per cent (expressed as acid)
A
—
—
3
Salicylic acid and its salts
All products
0.5 per cent (expressed as acid)
A
Not to be used in preparations for children under three years of age except for shampoos
Not to be used for children under three years of age (solely for products which might be used for children under three years of age and which remain in prolonged contact with the skin)
4
Sorbic acid (hexa-2,4-dienoic acid) and its salts
All products
0.6 per cent (expressed as acid)
A
—
—
5
Formaldehyde and para-formaldehyde
For oral hygiene
0.1 per cent (expressed as free formaldehyde)
Not to be used in aerosol dispensers (sprays)
—
Except for oral hygiene (see also Part I of Schedule 4)
0.2 per cent (expressed as free formaldehyde)
6
ENTRY DELETED
7
Biphenyl-2-ol [o-phenylphenol] and its salts
All products
0.2 per cent (expressed as the phenol)
A
—
—
8
Pyrithione zinc (INN) [Zinc pyrithione]
Products rinsed off after use
0.5 per cent
A
Not to be used in oral hygiene products
—
9
Inorganic sulphites and hydrogen sulphites
All products
0.2 per cent (expressed as free SO2)
A
—
—
10
Sodium iodate
Products rinsed off after use
0.1 per cent
—
—
11
Chlorobutanol (INN)
All products
0.5 per cent
Not to be used in aerosol dispensers (sprays)
Contains chlorobutanol
12
4-Hydroxybenzoic acid and its salts and esters [the Parabens]
All products
0.4 per cent (expressed as acid) for 1 ester, 0.8 per cent (expressed as acid) for mixtures of esters
A
—
—
13
3-Acetyl-6-methylpyran-2,4(3H)-dione [Dehydroacetic acid] and its salts
All products
0.6 per cent (expressed as acid)
Not to be used in aerosol dispensers (sprays)
—
14
Formic acid and its sodium salt
All products
0.5 per cent (expressed as acid)
A
—
—
15
3,3'-Dibromo-4,4'-hexamethylenedioxydi-benzamidine [Dibromo-hexamidine] and its salts (including isethionate)
All products
0.1 per cent
—
—
16
Thiomersal (INN) [Thimerosal]
Eye make-up and eye make-up remover
0.007 per cent calculated as mercury. When mixed with other authorised mercury compounds total mercury concentration must not exceed 0.007 per cent
—
Contains thiomersal
17
Phenylmercuric salts (including borate)
Eye make-up and eye make-up remover
0.007 per cent calculated as mercury. When mixed with other authorised mercury compounds total mercury concentration must not exceed 0.007 per cent
—
Contains phenylmercuric compounds
18
Undec-10-enoic acid [Undecylenic acid] and its salts
All products
0.2 per cent (expressed as acid)
A
—
—
19
Hexetidine (INN)
Products rinsed off after use
0.1 per cent
A
—
—
20
5-Bromo-5-nitro-1,3-dioxane
Products rinsed off after use
0.1 per cent
Avoid formation of nitrosamines
—
21
ENTRY DELETED
22
2,4-Dichlorobenzyl alcohol [Dichlorobenzyl alcohol]
All products
0.15 per cent
A
—
23
Triclocarban (INN)
All products
0.2 per cent
A
Purity criteria: 3,3',4,4'-tetrachloroazobenzene < 1 mg/kg
—
24
4-Chloro-m-cresol [p-Chloro-m-cresol]
Not to be used in products intended to come into contact with mucous membranes
0.2 per cent
A
—
25
Triclosan (INN)
All products
0.3 per cent
A
—
—
26
4-Chloro-3,5-xylenol [Chloroxylenol]
All products
0.5 per cent
A
—
—
27
3,3'-Bis(1-hydroxymethyl-2,5-dioxoimidazolidin-4-yl)-1,1'-methylenediurea [Imidazolidinyl urea]
All products
0.6 per cent
A
—
—
28
Poly(1-hexamethylene-biguanide hydrochloride) [Polyaminopropyl biguanide]
All products
0.3 per cent
A
—
—
29
ENTRY DELETED
30
Hexamethylenetetramine (Methenamine (INN)) [Methenamine]
All products
0.15 per cent
A
—
—
31
Methenamine 3-chloroallylo-chloride (INNM) [Quaternium-15]
All products
0.2 per cent
—
—
32
1-(4-Chlorophenoxy)-1-(imidazol-l-yl)-3,3-dimethylbutan-2-one (Climbazole (INN)) [Climbazole]
All products
0.5 per cent
A
—
—
33
1,3-Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione [DMDM Hydantoin]
All products
0.6 per cent
A
—
—
34
Benzyl alcohol (See also Part I of Schedule 4)
All products
1.0 per cent
A
—
—
35
1-Hydroxy-4-methyl-6-(2,4,4-trimethylpentyl)-2-pyridone and its monoethanolamine salt [Piroctone olamine]
Products rinsed off after use
Other products
1.0 per cent
0.5 per cent
A
A
—
—
—
—
36
1,2-Dibromo-2,4-dicyanobutane [Methyldibromo glutaronitrile]
All products
0.1 per cent
Not to be used in cosmetic sunscreen products at a concentration exceeding 0.025 per cent
—
37
6,6-Dibromo-4,4-dichloro-2,2'-methylenediphenol [Bromochlorophen]
All products
0.1 per cent
A
—
—
38
4-Isopropyl-m-cresol [o-Cymen-5-ol]
All products
0.1 per cent
—
—
39
Mixture of 5-chloro-2-methylisothiazol-3(2H)-one and 2-methylisothiazol-3(2H)-one with magnesium chloride and magnesium nitrate [Methylchloro- isothiazolinone and Methylisothiazolinone]
All products
0.0015 per cent of a mixture in the ratio 3:1 of 5-chloro-2-methylisothiazol-3(2H)-one to 2-methylisothiazol-3(2H)-one
—
—
40
2-Benzyl-4-chlorophenol [Chlorophene]
All products
0.2 per cent
—
—
41
2-Chloroacetamide [Chloroacetamide]
All products
0.3 per cent
—
Contains chloroacetamide
42
Chlorhexidine (INN) and its digluconate, diacetate and dihydrochloride
All products
0.3 per cent
A
—
—
43
1-Phenoxypropan-2-ol [Phenoxyisopropanol] (see also Part I of Schedule 4)
Products rinsed off after use
1.0 per cent
—
—
44
Alkyl (C12-C22)-trimethyl- ammonium bromide and chloride (Cetrimonium bromide (INN) and Cetrimonium chloride (INNM))
All products
0.1 per cent
A
—
—
45
4,4-Dimethyl-1,3-oxazolidine [Dimethyloxazolidine]
All products
0.1 per cent
The pH of the finished product must not be lower than 6
—
46
1-[1,3-Bis(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]-1,3-bis(hydroxymethyl)urea [Diazolidinyl urea]
All products
0.5 per cent
—
—
47
Hexamidine (INN) (4,4'-(Hexamethylenedioxy)- dibenzamidine) and its salts, including isethionate and p-hydroxybenzoate
All products
0.1 per cent
A
—
—
48
Glutaraldehyde (pentane-1,5-dial) [Glutaral]
All products
0.1 per cent
Prohibited in aerosols (sprays)
Contains glutaraldehyde (where glutaraldehyde concentration in the finished product exceeds 0.05 per cent
49
5-Ethyl-3,7-dioxa-1-azabicyclo[3.3.0]octane [7-Ethylbicyclo-oxazolidine]
All products
0.3 per cent
Prohibited in oral hygiene products and in products intended to come into contact with mucous membranes
—
50
Chlorphenesin (INN) [Chlorphenesin]
All products
0.3 per cent
—
—
51
Sodium N-hydroxymethyl- glycinate [Sodium hydroxymethylglycinate]
All products
0.5 per cent
—
—
52
Silver chloride deposited on titanium dioxide
Not to be used in products for children under three years of age, in oral hygiene products and in products intended for application around the eyes and on the lips
0.004 per cent. calculated as silver chloride
The ratio of titanium dioxide to silver chloride shall be 4:1 by mass
—
53
Benzethonium chloride (INN) [Benzethonium chloride]
Products rinsed off after use
0.1 per cent
—
—
54
Benzalkonium chloride, bromide and saccharinate
All products
0.1 per cent calculated as benzalkonoium chloride
A
—
Avoid contact with eyes
55
Benzylhemiformal
Products rinsed off after use
0.15 per cent
—
—
56
3-Iodoprop-2-ynyl butylcarbamate [Iodopropynyl butylcarbamate]
Not to be used in oral hygiene and lip products
0.05 per cent
—
Contains iodine (Only required where the 3-iodoprop-2-ynyl butylcarbamate concentration in products intended to remain on the skin exceeds 0.02 per cent)

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Source: https://www.legislation.gov.uk/uksi/2003/835/schedule/6/part/I (the official version)
Page: https://openlegislation.uk/cosmetic-products-safety-regulations-2003/schedule-6/part-I
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.