sensitization
noun /ˌsensətaɪˈzeɪʃn/
  /ˌsensətəˈzeɪʃn/
(British English also sensitisation)
 [uncountable]- sensitization (to something) the process of making somebody/something more aware of something, especially a problem or something bad- sensitization workshops and campaigns to educate the public on health issues
 
- (specialist) the fact of somebody/something becoming sensitive to physical or chemical changes, or to a particular substance- the risk of allergic sensitization
- sensitization to something sensitization to common allergens