Final answer:
Jason should avoid using mechanical, chemical, and enzymatic exfoliants on his client with sensitive skin condition.
Step-by-step explanation:
Jason should avoid using mechanical exfoliants, chemical exfoliants, and enzymatic exfoliants on his client with sensitive skin condition. Mechanical exfoliants involve physical scrubbing or rubbing, which can irritate sensitive skin. Chemical exfoliants contain acids that can be too harsh for sensitive skin. Enzymatic exfoliants use enzymes to break down dead skin cells, which can also be irritating for sensitive skin.