What is the test for a disfiguring injury to be considered a crime?

If mayhem is based on a disfiguring injury, the injury must be permanent. (People v. Santana (2013) 56 Cal.4th 999, 1007; see id. at p. 1004 [" ' "the modern rationale of the crime may be said to be the preservation of the natural completeness and normal appearance of the human face and body ... ." ' "].) The prosecution need not prove that the disfigurement is serious or that the wound required extensive suturing, however. (Id. at p. 1010.) Indeed, a disfiguring injury may be considered

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permanent notwithstanding the feasibility of cosmetic repair. (Id. at p. 1007.)