In the Dimension of Disaster quest, you will need to purchase a full black outfit [Hood, Robe (top),and Robe (bottom)] for 90 Zemomarks, purchase a full Zombie outfit for 500 Zemomarks, and talk to her about dyes to obtain the Yellow and Blue dyes.
She also runs the Varrock Fine Clothes Shop, which stocks a variety of different clothes and basic Crafting equipment including:
|White apron||Brown apron||Pink skirt||Black wizard robe skirt|
|Wizard robe skirt||Silk||Cape(red)||Priest gown (bottom)|
|Priest gown (top)||Needle||Thread||Leather gloves|
|Leather boots||Leather cowl||Leather vambraces||Leather body|
|Leather chaps||Leather shield|