No, Sphynx cats don't scent every time they’ve been offered with correct grooming and hygiene. But, their pores and skin makes oils which can accumulate and lead to a slightly odd odor as compared to cats with fur when not cared for. Some have described it as much like mushrooms, https://thcaprosandcons44433.mybjjblog.com/5-tips-about-siamese-you-can-use-today-48573938