The overall operation had been going on for months, attracting modest media attention and serving as a mild irritant to the army.

The limonene which is the main component of the oil is a mild irritant, as it dissolves protective skin oils.

It is encountered as a dark brownish powder, and can be a mild irritant to the skin, respiratory membranes or eyes.

It is not especially toxic, but is a mild acidic irritant.

Sometimes, the onion reaction is just a mild ocular irritant; other times, it's a full-on cry fest.

The stitches had become a mild irritant, as had the circular spot surrounding them.

The baking soda is a mild respiratory irritant and for that reason, the workers wear dust masks.

If their children were born healthy, maybe the advertisements were helpful to them or at worst, a mild irritant.

Potassium iodide is a mild irritant and should be handled with gloves.

Potassium ferricyanide has very low toxicity, its main hazard being that it is a mild irritant to the eyes and skin.