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That's possible, but I keep with the advice I got twenty years ago from the textiles guy.
And I can tell by touch when one of my abused merino shirts lands in the wash with normal colour detergent.
Apart from that quite a lot of my stuff is vintage or quite nice. I even use a wool treatment that has lanolin in it.
c.h.e.
Most wool that you buy these days has virtually no lanolin left in it.