Many dishwashing liquids contain perfume which can cause irritant or allergic contact dermatitis. Contact dermatitis is typically treated by avoiding the allergen or irritant. Irritant or toxic conjunctivitis is primarily marked by redness. Diallyl disulfide is a skin irritant and an allergen. Chloroauric acid is a strong eye, skin, and mucous membrane irritant. CA-630 is not a primary skin irritant nor sensitizer. Many plants cause irritant contact dermatitis through their spines or irritant hairs. Squalane has low acute toxicity and is not a significant human skin irritant or sensitizer. Acetaldehyde is toxic when applied externally for prolonged periods, an irritant, and a probable carcinogen. It is not especially toxic, but is a mild acidic irritant. Id reaction and irritant contact dermatitis are possible causes. The inhaled fluid can act as an irritant inside the lungs. As a strong sterilant, glutaraldehyde is toxic and a strong irritant. Treatment of the underlying allergy or irritant may reduce turbinate swelling. Acetic anhydride is an irritant and combustible liquid.