unhealing

adjective

1. curing or curative; prescribed or helping to heal.
2. growing sound; getting well; mending.

noun

3. the act or process of regaining health: a new drug to accelerate healing.

n.“restoration to health,” Old English hæling; see heal. Figurative sense of “restoration of wholeness” is from early 13c.; meaning “touch that cures” is from 1670s.