Try
Clear[form];
form = FormFunction[{"Information", "xyz"} ->
RepeatingElement[
CompoundElement[<|{"Property",
Style["Property", 16, Black, Bold]} ->
"String", {"Unit", Style["Unit", 16, Black, Bold]} ->
"String"|>]],
AppearanceRules -> <|"Title" -> " ",
"Description" ->
Column[{Style["Enter your information", Bold, 20, Red]}]|>];
form[]
I used "xyz" so you can see it as a label, but just set it to empty string or None to remove the label altogether.