Download PDF Sealants Sector Formaldehyde can turn up in small amounts in acrylic latex caulks where it serves as a preservative. How can this chemical affect my health? Acute (Short Term) Effects Toxic to Humans & Animals – Can be fatal on contact, ingestion or inhalation for humans and other mammals. Irritates the Eyes – Can cause irritation or serious damage to the eye. Irritates the Skin – Can cause irritation or serious damage to the skin. Chronic (Long Term) Effects Cancer – Can cause or increase the risk of cancer. Gene Damage – Can cause or increase the rate of mutations, which are changes in genetic material in cells. Asthma Trigger – Can result in high sensitivity so that small quantities trigger asthma, nose or sinus inflammation or other allergic reactions in the respiratory system. Sensitizes the Skin – Can lead to allergic reactions on the skin. Birth Defects – Can cause harm to the developing child including birth defects, low birth weight and biological or behavioral problems that appear as the child grows.