Product endorsements are credible, verifiable, and recognized by end users.
Key indicators
Product endorsements come from a credible source that is recognized by target consumers.
Product claims can be substantiated.
Product evaluations are from actual use (versus controlled environment).
Endorsements are specific about the pathogens or contaminants the product does or does not treat.
Technical endorsements targeting public/private policy, manufacturing, and design stakeholders should be published with source citations, relevant standards, and test protocols.
Notes and exceptions
Endorsements can provide strong incentives for adoption.
