If your bathtub happens to have feet disconnect the water and move the tub lay the floor and replace the tub.
Vinyl floor at tub.
This will show you how to finish vinyl plank to a bathtub or shower purchase trim here.
Then peel off the thin strip of vinyl and clean out any dirt or old caulk.
Slice alongside the curled edge of vinyl flooring with a utility knife.
When water gets under the sheet vinyl along the edge of a shower or tub and the vinyl starts to curl no amount of caulk can hide the problem.
Working around a bathtub can be complicated.
Vinyl plank transition to tub the absolutely best looking transitions for vinyl plank without sacrificing quality.
Bathroom floors must be able to withstand extreme changes in humidity.