Is it lpp or seborrheic dermatitis? (Photo)

My scalp started to look like this 4 months after hair transplant and 3 month after using minoxidil its not all over my head, its itchy but its very mild its get better after using keto shampoo but it didn't go away completely i have this for almost 18 month or so and pull test is negative maybe 1 or 2 hair out of 70 80 hair strands, there are some pictures with different timelines