desensitise, insensibilize, desensationalize, numb, insensibilise, disintensify, dial down, unsense, hyposensitize, abirritate, more...

sensitize, increase awareness

anesthetic, antihistamine, antibiotic, antiviral, antidepressant, antipsychotic, antiseptic, more...

become numb,   make insensitive,   to make less scary,   make less scary,   make insensitivr,   make it less scary,   lose sensitivity,   stop triggering,   stop being shocked