Can you be allergic to toluene?

* Toluene-2,6-Diisocyanate may cause a skin allergy. If allergy develops, very low future exposure can cause itching and a skin rash. * Toluene-2,6-Diisocyanate may cause an asthma-like allergy. Future exposure can cause asthma attacks with shortness of breath, wheezing, cough, and/or chest tightness.

Are Toluenediamines safe?

After extensive scientific research, the European Commission (Health and Consumer Safety) concluded that the use of toluene-2,5-diamine cannot be considered safe for hair coloring or hair shaft . …

What is diamine sulfate?

The main use of p-toluenediamine sulphate is as a permanent hair dye and is a common source of allergy in hairdressers. It is also used as a color component in sulfuric dyes and acridine and as a colorant in the rubber industry.

Can you put toluene 2, 5 diamine on the skin?

Dermal penetration studies of Toluene-2,5-Diamine and Toluene-2,5-Diamine Sulfate showed only small amounts penetrated the skin. Penetration was even lower when these ingredients were applied to the skin as part of hair dye formulations. No dermal penetrations studies of Toluene-3,4-Diamine were available.

What’s the difference between PPD and toluene diamine sulfate?

PPD is commonly used in many traditional and ‘natural’ hair colour formulas. It is also the primary cause of allergic reactions in hair colourings. Semi-permanent and permanent hair colourings usually use either p-Phenylenediamine (PPD) or Toluene-2,5 Diamine Sulfate to activate the colouring pigments.

Why is toluene-2, 5-diamine sulfate used in hair dye?

Toluene-2,5-Diamine and Toluene-2,5-Diamine Sulfate are used as ingredients in the formulation of permanent hair dyes, colors and tints. Toluene-3,4-Diamine may also be used in hair dye products. Why is it used in cosmetics and personal care products?

How is P-toluenediamine in permanent hair color dye?

Is P-Toluenediamine in Permanent Hair Color Dye? 1 Toluene-2,5-diamine is an extremely potent skin sensitizer. 2 Clarification must be given on the myocyte degeneration in the dose range finding study of the 90 day study. 3 Toluene-2,5-diamine sulfate itself has no mutagenic potential in vivo. More