Which of the following explains why tattoos are permanent?

A) Tattoo ink is deposited into the epidermis. These skin cells shed over time.
B) Tattoo ink is deposited into the hypodermis. Unlike the epidermis, cells in this region do not shed over time.
C) Tattoo ink is deposited into the epidermis. Unlike the dermis, cells in this region do not shed over time.
D) Tattoo ink is deposited into the dermis. Unlike the epidermis, cells in this region do not shed over time.