Tretinoin can irritate seborrheic dermatitis, but using it with a moisturizer on calm skin may help. Parallel Health's skin microbiome testing and phage therapy are suggested for persistent issues.
The user has been using minoxidil, microneedling, and finasteride for hair loss without improvement and is considering tretinoin, but concerns about shedding persist. Another user suggests trying dutasteride instead of finasteride, as both tretinoin and microneedling can irritate the skin.
The user is experiencing scalp irritation from using tretinoin and alcohol-based hair loss treatments like stemoxydine. They find that Aquaphor helps with the pain but is difficult to apply in hairy areas.
The conversation discusses the importance of scalp skin barrier health in hair follicle cycling, suggesting treatments like ceramides or niacinamide to support hair growth. It also mentions the use of finasteride for hair loss.
The conversation discusses using topical finasteride with propylene glycol, which causes scalp dryness or dandruff. The user also uses Nizoral, Nioxin, and DHT oil, and considers using a scalp conditioner to alleviate dryness.