Will cleaning remove the natural lanolin from my wool carpet?

No, there are little or no natural oils left in the wool fibre when it is made into carpet [generally less than 5%]. The fibre goes through a process known as scouring where all the natural oil (lanolin) is removed by strong chemicals. This is so the carpet can be dyed.
The carpet would also soil much more quickly if the oil was in the fibre as it would attract the dirt particles.

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