I would also suggest you don't understand the meaning of desensitisation in this context.
From the independent.co.uk
Normalised eating and desensitisation to food are the cornerstones of the recovery process.
From the guardian.co.uk
The other potential side-effects include fear, aggression, tunnel-vision and desensitisation.
From the guardian.co.uk
Beyond that, there is still a role for immunotherapy or desensitisation for the severely affected.
From the telegraph.co.uk
We couldn't possibly include the three-week desensitisation period, when they burn the girls in particular places.
From the guardian.co.uk
For the 10 to 15% of people who have significant symptoms despite medication, desensitisation treatment is often useful.
From the guardian.co.uk
If hay fever is interfering with your life, even though you are on medication, ask your GP about desensitisation.
From the guardian.co.uk
Gradual desensitisation treatment and CBT are often successful, provided the patient is willing to endure some discomfort.
From the en.wikipedia.org
A kind of desensitisation therapy.
From the guardian.co.uk
More examples
Desensitization: the process of reducing sensitivity; "the patient was desensitized to the allergen"
(Desensitised (song)) Forum is an album by Australian guitar pop group Invertigo. The album was released in 2001 with some songs (such as "Desensitised" and "Chances Are") recorded in 2000.
The act or process of desensitising, of dulling or reducing sensation
Some sensory integration therapists believe that it may be possible to reduce tactile defensiveness be gradually exposing the child with an Autistic disorder to touch in a way which is safe and enjoyable to them.
The lessening or disappearance of a (often negative) response through the pairing of a positive reinforcer with the negative stimulus or event; the process of turning an unfamiliar/scary object/event toward a neutral position. ...