Serum DHT is mostly inactive; sebum DHT is a better measure for hair loss. Users discuss using finasteride, dutasteride, and topical treatments like KX826 and RU58841 for better scalp DHT suppression.
The user is starting dutasteride mesotherapy and seeks information on checking serum DHT levels in Germany. They previously tried finasteride but experienced unpleasant side effects.
The conversation is about the correct usage of a hair serum containing redensyl, procapil, capixil, and baicapil. The user is seeking advice on the amount to apply and whether washing hair after application is necessary.