Dermatotoxicology of Microneedles in Humans

The conversation discusses scalp itching and tenderness after microneedling, despite using medicated shampoos and proper sanitation. The user plans to see a dermatologist and is concerned about possible infection or allergic reaction.

Microneedling can cause sneezing and eye tearing due to nerve stimulation, particularly near the temples and forehead. Some users find it lessens over time, while others prefer using finasteride and minoxidil for hair growth.

Microneedling is effective for hair growth, especially when combined with finasteride and minoxidil, but concerns exist about potential long-term skin damage. Users report increased collagen and elastin deposition, but the long-term effects on the scalp remain uncertain.

Microneedling can cause infections if not done carefully; users suggest using alcohol swabs and reducing needle depth to avoid issues. Proper sanitation and gentle pressure are key to preventing bleeding and infection.

Disinfecting microneedlers is important to prevent infection, with suggestions to use high-percentage alcohol or denture tablets for sterilization. Rollers may cause skin damage, so stamps or pens are recommended for safer microneedling.

Microneedling can cause skin shedding and inflammation, with some users adjusting needle size or frequency to reduce these effects. Some users combine microneedling with treatments like minoxidil, while others prefer smaller needles or alternative treatments like dutasteride.