Moss-killing chemicals, often referred to as moss control products, are designed to eliminate unwanted moss growth in various environments, such as lawns, gardens, and roofs. These chemicals typically contain active ingredients like copper sulfate or iron sulfate, which target the moss while minimizing harm to surrounding plants. When applied correctly, moss-killing chemicals can help restore the health and appearance of affected areas. It's important to follow the manufacturer's instructions for application and safety, as improper use can lead to environmental concerns or damage to desirable vegetation. Regular maintenance can prevent moss from returning after treatment.