Some players reported that D2I's custom skin vendors in Helos have nothing in their inventory. The reason for this was simply because the dyes they sell are a feature of the Immortal Throne Bugfix Fanpatch (or rather the optionally activated allskins content within it).
However, as it turned out, some textures of this "recommended but not necessary" patch are not merely optional but crucial to the D2I experience, since I unwarily used them for some female enemies, as well as the Valkyrie's summons.
Now I understand that there are people who know of D2I but not of the Fanpatch, or have their resaons not to install it. So here is a little fix that adds those textures:
Also, a small set of male and female cloth dyes will be included in the next release.