2-METHYL-1-NAPHTHOL

RestrictedCAS 7469-77-415 regulations across 15 markets

2-METHYL-1-NAPHTHOL is a cosmetic ingredient classified as Hair Dyeing. Also known as CAS 7469-77-4. It is regulated in 15 markets including UAE, Bahrain, European Union.

Also Known As

CAS Number
7469-77-4

Market Overview — 29 Markets

European Union1
United Kingdom1
United States
California
Maryland
Washington
Canada
Brazil
South Korea
Japan
Taiwan1
Australia
Singapore1
Malaysia1
Thailand1
Indonesia1
Vietnam1
Philippines1
UAE1
Saudi Arabia1
Qatar1
Oman1
Kuwait1
Bahrain1
Russia
Belarus
Kazakhstan
Armenia
Kyrgyzstan

Detailed Regulations

Europe2 regulations
European UnionRestrictedAnnex III #213
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Product type
Hair dye substance in oxidative hair dye products
Conditions of use
To be printed on the label: Hair colorants can cause severe allergic reactions.
Other conditions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of 2-Methyl-1-Naphthol should not exceed 2,0%).

Source: EC 1223/2009 Annex III

United KingdomRestrictedAnnex III #213
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Product type
Hair dye substance in oxidative hair dye products
Conditions of use
To be printed on the label: The mixing ratio. 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. Hair colorants can cause severe allergic reactions.
Other conditions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0 % (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of 2-Methyl-1-Naphthol should not exceed 2,0 %.)

Source: UK retained EC 1223/2009 Annex III

AmericasNo restrictions

No specific restrictions for 2-METHYL-1-NAPHTHOL in United States, California, Maryland, Washington, Canada, Brazil.

East Asia & Oceania1 regulation
TaiwanRestrictedAnnex Restricted Ingredients List #144
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Max concentration
2%
Product type
Oxidative hair dye products

Source: TFDA Cosmetics Regulations

ASEAN6 regulations
SingaporeRestrictedAnnex ACD Annex III (Restricted) #263
Chemical name
1-Hydroxy-2-methylnaphthalene / 2-Methyl-1-Naphthol
CAS
7469-77-4
Max concentration
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2.0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2- Methylnaphthalene are present in a hair dye formu
Product type
Hair dye substance in oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use
The mixing ratio must 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 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 Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

MalaysiaRestrictedAnnex ACD Annex III (Restricted) #263
Chemical name
1-Hydroxy-2-methylnaphthalene / 2-Methyl-1-Naphthol
CAS
7469-77-4
Max concentration
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2.0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2- Methylnaphthalene are present in a hair dye formu
Product type
Hair dye substance in oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use
The mixing ratio must 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 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 Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

ThailandRestrictedAnnex ACD Annex III (Restricted) #263
Chemical name
1-Hydroxy-2-methylnaphthalene / 2-Methyl-1-Naphthol
CAS
7469-77-4
Max concentration
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2.0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2- Methylnaphthalene are present in a hair dye formu
Product type
Hair dye substance in oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use
The mixing ratio must 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 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 Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

IndonesiaRestrictedAnnex ACD Annex III (Restricted) #263
Chemical name
1-Hydroxy-2-methylnaphthalene / 2-Methyl-1-Naphthol
CAS
7469-77-4
Max concentration
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2.0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2- Methylnaphthalene are present in a hair dye formu
Product type
Hair dye substance in oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use
The mixing ratio must 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 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 Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

VietnamRestrictedAnnex ACD Annex III (Restricted) #263
Chemical name
1-Hydroxy-2-methylnaphthalene / 2-Methyl-1-Naphthol
CAS
7469-77-4
Max concentration
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2.0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2- Methylnaphthalene are present in a hair dye formu
Product type
Hair dye substance in oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use
The mixing ratio must 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 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 Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

PhilippinesRestrictedAnnex ACD Annex III (Restricted) #263
Chemical name
1-Hydroxy-2-methylnaphthalene / 2-Methyl-1-Naphthol
CAS
7469-77-4
Max concentration
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2.0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2- Methylnaphthalene are present in a hair dye formu
Product type
Hair dye substance in oxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
Conditions of use
The mixing ratio must 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 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 Do not use to dye eyelashes or eyebrows

Source: ASEAN Cosmetic Directive (HSA Dec 2025)

GCC6 regulations
UAERestrictedAnnex III #213
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Product type
Hair dye substance in oxidative hair dye products
Conditions of use
To be printed on the label: Hair colorants can cause severe allergic reactions.
Other conditions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of 2-Methyl-1-Naphthol should not exceed 2,0%).

Source: GSO 1943:2024 (based on EU 1223/2009 III)

Saudi ArabiaRestrictedAnnex III #213
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Product type
Hair dye substance in oxidative hair dye products
Conditions of use
To be printed on the label: Hair colorants can cause severe allergic reactions.
Other conditions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of 2-Methyl-1-Naphthol should not exceed 2,0%).

Source: GSO 1943:2024 (based on EU 1223/2009 III)

QatarRestrictedAnnex III #213
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Product type
Hair dye substance in oxidative hair dye products
Conditions of use
To be printed on the label: Hair colorants can cause severe allergic reactions.
Other conditions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of 2-Methyl-1-Naphthol should not exceed 2,0%).

Source: GSO 1943:2024 (based on EU 1223/2009 III)

OmanRestrictedAnnex III #213
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Product type
Hair dye substance in oxidative hair dye products
Conditions of use
To be printed on the label: Hair colorants can cause severe allergic reactions.
Other conditions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of 2-Methyl-1-Naphthol should not exceed 2,0%).

Source: GSO 1943:2024 (based on EU 1223/2009 III)

KuwaitRestrictedAnnex III #213
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Product type
Hair dye substance in oxidative hair dye products
Conditions of use
To be printed on the label: Hair colorants can cause severe allergic reactions.
Other conditions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of 2-Methyl-1-Naphthol should not exceed 2,0%).

Source: GSO 1943:2024 (based on EU 1223/2009 III)

BahrainRestrictedAnnex III #213
Chemical name
1-Hydroxy-2-methylnaphthalene
CAS
7469-77-4
Product type
Hair dye substance in oxidative hair dye products
Conditions of use
To be printed on the label: Hair colorants can cause severe allergic reactions.
Other conditions
After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 2,0% (When both 2-Methyl-1-Naphthol and 1-Acetoxy-2-Methylnaphthalene are present in a hair dye formulation, the maximum concentration on the head of 2-Methyl-1-Naphthol should not exceed 2,0%).

Source: GSO 1943:2024 (based on EU 1223/2009 III)

EAEUNo restrictions

No specific restrictions for 2-METHYL-1-NAPHTHOL in Russia, Belarus, Kazakhstan, Armenia, Kyrgyzstan.

Frequently Asked Questions

Is 2-METHYL-1-NAPHTHOL banned in any country?

2-METHYL-1-NAPHTHOL is not banned in any of the 26 markets tracked by Formpli. However, it may be subject to restrictions or conditions of use in some markets.

What are the restrictions on 2-METHYL-1-NAPHTHOL in cosmetics?

2-METHYL-1-NAPHTHOL is restricted or has conditions of use in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Restrictions may include maximum concentration limits, product type limitations, or mandatory labeling requirements. See the detailed regulations above for specifics.

Can I use 2-METHYL-1-NAPHTHOL in cosmetics?

2-METHYL-1-NAPHTHOL is regulated in 15 markets. It has restrictions in UAE, Bahrain, European Union, Indonesia, Kuwait, Malaysia, Oman, Philippines, Qatar, Saudi Arabia, Singapore, Thailand, Taiwan, United Kingdom, Vietnam. Use Formpli's free screening tool to check your full ingredient list against all 26 markets at once.

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This information is for reference only and does not constitute legal or regulatory advice. Regulations change — always verify with official sources and consult a regulatory specialist before exporting cosmetic products. Data sourced from EU COSING, US FDA, Health Canada, MHLW Japan, MFDS Korea, ASEAN ACD, GCC SFDA, TGA Australia, ANVISA Brazil, EAEU TR CU, and Taiwan TFDA.