Facial

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early 17th century (as a theological term meaning ‘face to face, open’): from medieval Latin facialis, from facies (see face). The current sense of the adjective dates from the early 19th century.

wiktionary

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Early 17th century, borrowed from Medieval Latin faciālis(“face-to-face, direct, open”), from faciēs(“form, configuration, figure; face, visage, countenance”) +‎ -ālis(“-al”, adjectival suffix).

etymonline

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facial (adj.)

c. 1600, "face to face," from French facial, from Medieval Latin facialis "of the face," from facies (see face (n.)). Meaning "pertaining to the face" in English is from 1786. The noun meaning "beauty treatment for the face" is from 1914, American English. Middle English had faciale (n.) "face-cloth for a corpse" (early 14c.).