Using GREL function uniques() to remove duplicates

Question

Name	Gender
Aurelia;Camila;Aurelia;Camila	Female;Female;Female;Female

I want to remove the duplicates in these columns.

I using this formula: value.split(";").uniques().join(", ") and return me this:

Name	Gender
Aurelia,Camila	Female

But i want to return:

---

Name	header 2
Aurelia,Camila	Female, Female