Great Oil Recipes (The Witcher 3: Wild Hunt)

Can you tell me where to buy Vishnevsky's ointment?

REIDERS
At Hermist in Skellige after completing the quest "Exercises in Higher Alchemy"

Combinator44
Quest completed a long time ago Germist has no recipes.

Explore the world and you will find

Saloknir
So the fact of the matter is that everything is coming to an end, all the places have been examined (I almost missed the recipe once in the plot task), so I think that I could have missed somewhere else.

REIDERS
Most likely