Isoniazid

Isoniazid in plain language

What it is

On cosmetic ingredient lists it appears as “Adipic acid dihydrazide”.

Also known as Adipic acid dihydrazide · Stearic hydrazide · Isonicotinic acid hydrazide · 4-PYRIDINECARBOXYLIC acid hydrazide · Hydrazides and their salts e.g. Isoniazid (INN) · 4-PYRIDINECARBOXYLIC acid, hydrazide

Show all 46 names

Armazid · Armazide · Atcotibine · Cedin · Cotinazin · Dianicotyl · Dinacrin · Ditubin · Eralon · Ertuban · Hidrasonil · Hydrazid · Ipcazide · Isidrina · Isobicina · Isonicotan · Mybasan · Neumandin · Pyridine-4-carbohydrazide · Teebaconin · Tisiodrazida · 4-(Hydrazinocarbonyl)pyridine · 4-Pyridinecarbonylhydrazine · 4-Pyridinecarboxylic acid hydrazine · 4-Pyridinecarboxylic hydrazide · 4-Pyridylcarbonylhydrazide · Dow-isoniazid · Hyzyd · Inh · Iscotin · Isonicotinylhydrazine · Isoniazide · Isonicotinohydrazide · Laniazid · Nydrazid · Rimifon · Stanozide · hydrazide · Rifamate component isoniazid · Rifater component isoniazid

What it does

We don't have a plain-language description for Isoniazid yet.

Is it a concern?

Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

Hydrazides and their salts e.g. Isoniazid (INN) is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

• In marketed US drugs
• EU Annex II — prohibited
• EU prohibited in cosmetics

• EU·EC

  Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.

  banned
  View source →

• EU·CosIng·ActiveCosmetics Regulation annex II / ref 200.

  • Cosmetics Regulation annex II / ref 200.Source →
• US·EPA·commercial use observedEPA CPDat observed this chemical in 4 composition records across product categories including Food and drug, Laboratory supplies.

  • EPA CPDat observed this chemical in 4 composition records across product categories including Food and drug, Laboratory supplies.Source →
• US·FDA·marketed drug occurrenceFDA NDC lists this ingredient in 16 active drug products and 29 total products.

  • FDA NDC lists this ingredient in 16 active drug products and 29 total products.Source →
• US·FDA·listed in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.

  • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Isoniazid. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

• SCCS

  EU Scientific Committee on Consumer Safety

  No SCCS opinion on file.

• CIR

  Cosmetic Ingredient Review (US expert panel)

  No CIR safety assessment on file.

• JECFA

  Joint FAO/WHO Expert Committee on Food Additives

  No JECFA evaluation on file.

• EFSA

  European Food Safety Authority

  No EFSA opinion on file.