A mixture of methylchloroisothiazolinone and methylisothiazolinone (2 toxic ingredients), this ingredient has links to skin allergies and irritation, developmental and reproductive toxicity, and is ecotoxic. 

A peer review journal article also identifes these ingredients as being mutagenic.

There is very strong evidience this fungicide, one of the most commonly used in medicated dog shampoo, is an endocrine system disruptor with limited evidence of reproductive toxicity. 

We recommend a tea tree shampoo for yeast. A natural alternative to these toxic ingredients.