irritant

noun 0.756

irritative

noun 0.696

counterirritant

noun 0.670

irritation

noun 0.634

nonabrasive

noun 0.593

nonnarcotic

noun 0.582

nonflammable

noun 0.570

nonstimulant

noun 0.556

nonacid

noun 0.556

nonnutrient

noun 0.553

antipruritic

noun 0.548

inert

noun 0.547

noninjury

noun 0.539

antiallergic

noun 0.536

irritability

noun 0.527

nondrug

noun 0.525

iridoid

noun 0.523

nonlipid

noun 0.516

nonfriable

noun 0.509

nonsteroidal

noun 0.506

nonsolvent

noun 0.506

innocuousness

noun 0.501