uncontaminating

/ˌʌnkənˈtæməˌneɪtɪŋ/
adjective
  1. Not causing contamination; not making something dirty, impure, or harmful.
    • This cleaning product is uncontaminating and safe for the environment.
    • The factory uses uncontaminating processes that release no pollutants.
    • They chose uncontaminating packaging materials that break down naturally.
Synonyms
What does "uncontaminating" mean? | whatsthatwordmean | whatsthatwordmean