A user's father, mostly bald for 20 years, is regrowing hair using a serum called "Skrzypovita Serum Pro" without minoxidil. The user is curious about which ingredients might be causing hair growth.
The conversation discusses the conflicting information about Zinc's effect on DHT and its role in hair loss. It mentions that Zinc can act as a 5AR inhibitor at high doses but may increase DHT if taken to correct a deficiency, and highlights the importance of nutritional balance for hair health.
User found 15% procyanidin B2 supplement and asks if it's legit. Recommended dosage is 400-600mg daily, similar to study, and user wonders if it's effective for hair loss.