DIHYDROXYINDOLINE

US FDA substance register · UNII HH49N58FJ9 · registered name 5,6-DIHYDROXYINDOLINE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Leukoaminochrome is a member of the class of indoles that is indoline with hydroxy substituents at positions 5 and 6. It has a role as a metabolite. It is a member of indoles and a member of catechols. It derives from a hydride of an indoline.

Source: PubChem

Restricted or banned

South Korea · Taiwan

Restricted

Taiwan

Source: MFDS (Korea) cosmetic regulatory information · ASEAN Cosmetic Directive · Taiwan FDA cosmetic ingredients · Taiwan FDA cosmetic regulations

ASEAN

• Field of application and/or use : Hair dye substance in nonoxidative hair dye products Use for dyeing eyelashes and eyebrows is not permitted.
• Maximum authorised concentration in the finished cosmetic product : 2.0%
• Other limitations and requirements : The free base and salts of this hair colouring ingredient, unless prohibited under Annex II, are permitted for use. The direction for use “wear suitable gloves” must be included in label or leaflet text.
• Conditions of use and warning which must be printed on the labels : Can cause allergic reaction Do not use to dye eyelashes or eyebrows

European Union

• Product Type, body parts : Hair dye substance in non-oxidative hair dye products
• Maximum concentration in ready for use preparation : 2%
• Wording of conditions of use and warnings : - Can cause allergic reaction - You have ever experienced any reaction afther colouring your hair - You have experienced a reaction to a temporary 'black henna' tattoo in the past

Restriction III/204 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list