Everyone has certain areas of skin that are dryer than others. Common areas are: knuckles / heels / elbows / shins / throat and chest area / knees. The following Nut Formula works, because no substance on Earth contains more natural fatty acids and emollients than nuts.
Nut formula
Combine: Almond Carrier Oil / Hazelnut Carrier Oil / Pistachio Carrier Oil / Walnut Carrier Oil.
Blend in equal quantities, and apply to stubborn dry skin areas, twice a day.
An even better effect can be obtained by first exfoliating the rough skin area with sea salt, for several minutes.