ACID RED 18 ALUMINUM LAKE is a synthetic triphenylmethane and aluminium dye. Triphenylmethane is a hydrocarbon that serves as a base for many synthetic dyes.

What it is used for and where

Cosmetics

Hair dyeing. It is an ingredient that adds a colouring to the hair that can be temporary, semi-permanent or permanent depending on what other ingredients are added to achieve the result. The pH for hair dyeing is generally between 9 and 10.

Safety

Aluminium can interfere with different biological processes (cellular oxidative stress, calcium metabolism, etc.), so it can induce toxic effects in different organs and systems, and the nervous system is the main target of its toxicity.

CAS   12227-64-4

EC number   235-438-3