The movie follows the story of Cecilia, a woman who escapes from an abusive relationship with a scientist named Malcolm, who has created a serum that makes him invisible. However, Cecilia soon discovers that Malcolm has become unstable and is using his invisibility to terrorize her.
When she stepped beneath the lamp to test alignment, the coating reacted differently in air warmed by her breath. A ribbon of light twisted around her skin and then unraveled like a second thought. For a second she looked at her hands and saw the familiar light caught and bent, as if seen through water. Then the subtle edges dissolved. She blinked. Her reflection refused to meet her.
If you're looking for a helpful review of The Invisible Man (2020)
(likely the 2020 version starring Elisabeth Moss) via the site Filmyzilla.