Most scalp serums are ineffective for hair loss, with Nécessaire’s “The Scalp Serum” being the only one showing noticeable results, though it's not worth the cost. For androgenetic alopecia, clinical treatments like minoxidil and finasteride are necessary, while caffeine and capixyl may offer some benefits.
The user is experiencing severe hair loss due to gut malabsorption and is seeking advice on nutrient testing and supplementation. They have low Vitamin D and Ferritin levels and are asking for recommendations on additional nutrients and blood tests to consider.
The user shared their experience with hair regrowth using a natural approach, including a good diet, multivitamins, pumpkin seed oil, and scalp massages, without using minoxidil or finasteride. They emphasize this method for those with stabilized hair loss around Norwood 1.5 - 2, noting satisfactory progress over a year.
Hair loss is primarily genetic, and nutrient deficiencies are unlikely to be the cause. DHT inhibitors can slow hair loss, but concerns about side effects are common.