In search of pure beeswax

So my mother has eczema and the only thing that helps her in the winters is beeswax with coconut oil. Any leads on where I can get it from? However, it should be pure and authentic, and not of the brood comb. I got it once before and the seller apparently sold black clumps of brood comb as "pure" beeswax for 2.5k. Pure beeswax is supposed to be white to pale yellow. Would appreciate any guidance. Preferably tried and tested sellers who you know sell authentic products