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N

CAS 148-71-0 ·

KR South Korea (MFDS)

No specific rule on file.

EU European Union (CosIng)

Prohibited Annex II/1223

Conditions: N,N-Diethyl-m-aminophenol, when used as a substance in hair dye products

Source: EU CosIng — Annex II · checked Oct 16, 2026

Prohibited Annex II/1224

Conditions: N,N-Dimethyl-2,6-pyridinediamine and its HCl salt, when used as a substance in hair dye products

Source: EU CosIng — Annex II · checked Oct 16, 2026

Prohibited Annex II/1288

Conditions: N,N'-Dimethyl-N-hydroxyethyl-3-nitro-p-phenylenediamine and its salts, when used as a substance in hair dye products

Source: EU CosIng — Annex II · checked Oct 16, 2026

Prohibited Annex II/1310

Conditions: 4-Diethylamino-o-toluidine and its salts, when used as a substance in hair dye products

Source: EU CosIng — Annex II · checked Oct 16, 2026

Prohibited Annex II/1311

Conditions: N,N-Diethyl-p-phenylenediamine and its salts, when used as a substance in hair dye products

Source: EU CosIng — Annex II · checked Oct 16, 2026

Prohibited Annex II/1312

Conditions: N,N-Dimethyl-p-phenylenediamine and its salts, when used as a substance in hair dye products

Source: EU CosIng — Annex II · checked Oct 16, 2026

Restricted Annex III/8c

Maximum: (b) As from 3 September 2017: 1,5 %

Conditions: Product type: (a) Hair dye substance in oxidative hair dye products (b) Hair dye substance in non-oxidative hair dye products (a) As from 3 September 2017, after mixing under oxidative conditions the maximum concentration applied to hair must not exceed 1,0 % For (a) and (b), as from 3 September 2017: — Do not use with nitrosating agents — Maximum nitrosamine content: 50 μg/kg — Keep in nitrite-free containers

Required label warning: a) 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. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past”.’

Source: EU CosIng — Annex III · checked Oct 16, 2026

Restricted Annex III/8

Maximum: (a) General use (b) Professional use For (a) and (b): After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 3 % calculated as free base

Conditions: Product type: Hair dye substance in oxidative hair dye products (1 ) These substances may be used singly or in combination provided that the sum of the ratios of the levels of each of them in the cosmetic product expressed with reference to the maximum level authorised for each of them does not exceed 1.’

Required label warning: (a) 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. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past. Contains phenylenediamines. Do not use to dye eyelashes or eyebrows” (b) To be printed on the label: The mixing ratio. “For professional use only 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 increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past. Contains phenylenediamines. Wear suitable gloves”

Source: EU CosIng — Annex III · checked Oct 16, 2026

US United States (FDA)

No specific rule on file. The FDA regulates few cosmetic ingredients by name; no rule does not mean approval.

Also listed as

N

Information only, not medical advice. Rules change — always check the linked official source. If you are pregnant, have a skin condition or allergies, ask a dermatologist or pharmacist.

Ask KBeauty Verified™
KBeauty Verified™ — K-beauty checked against official records from Korea, the EU and the U.S.
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