undamaging
/ˌʌndæmɪɪɪŋ/Definitions
1. adjective
Not causing or tending to cause damage; harmless
“The undamaging effects of the new technology on the environment were a major concern for scientists.”
2. adverb
In a way that does not cause or tend to cause damage; harmlessly
“She handled the fragile vase undamagingly and put it safely away.”