What type of product is typically used in conjunction with a masking agent to enhance effectiveness in deodorization?

The correct answer is that a pairing agent is typically used in conjunction with a masking agent to enhance effectiveness in deodorization. A pairing agent works by chemically bonding with odor-causing substances and working synergistically with masking agents, which cover up objectionable odors. This combination is particularly effective because while the masking agent provides an immediate fragrance, the pairing agent addresses the underlying source of the odor, thus helping to eliminate it more effectively.

In contrast, sealing agents are primarily used to create a barrier on surfaces to prevent the escape of odors or stains; they do not directly aid in deodorization. Oxidizers can be effective in breaking down odors but operate differently from pairing agents, as their primary function is not to simply pair with odor molecules but rather to chemically alter them. Neutralizers are designed to specifically counteract or eliminate particular types of odors but do not work alongside masking agents in the same synergistic manner as pairing agents do.