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OP injured their temple using derma rolling and tretinoin, causing peeling and potential hair follicle damage. Users suggest the injury might be permanent, possibly resulting in scar tissue where hair won't grow.

The conversation discusses using liquid cetirizine as a topical treatment for hair loss. It mentions Minoxidil, finasteride, and RU58841 as other treatments.

The conversation discusses the potential of topical cetirizine (Zyrtec) for hair growth in comparison to minoxidil, noting cetirizine's ability to reduce prostaglandin D2, which inhibits hair growth. Users share mixed experiences with cetirizine for allergies and scalp health, and there's a mention of the risk of dementia with long-term antihistamine use.

Quercetin reduced scalp soreness and may help with histamine-related hair loss. The soreness felt like inflamed follicles beneath the scalp surface.

RU58841 caused chest tightness, throat irritation, and headaches, leading the user to stop its use. The user plans to restart with a lower dose if symptoms fully disappear but remains cautious due to anxiety and side effects.

The user has been using dutasteride, lymecycline, betamethasone, and minoxidil for hair loss but struggles with eczema and dry skin. They feel hopeless as no treatments or moisturizers have helped, and they are concerned about their appearance due to their soft facial features.

The user started using topical latanoprost and dutasteride, experiencing significant hair shedding and scalp itchiness, possibly due to an allergic reaction. They are considering stopping the treatment if the shedding is linked to an allergy.

Hydrocortisone helps relieve scalp itchiness, possibly caused by minoxidil. Users discuss its effectiveness for managing this side effect.

The conversation is about using a DIY topical Cetirizine 1% solution with microneedling for hair loss treatment. Concerns were raised about potential side effects and the effectiveness of Cetirizine for this purpose.

Topical minoxidil can cause water retention, making the face appear swollen. Switching from liquid to foam and reducing application frequency may help; using dandelion root extract as a diuretic is also suggested.

A user experienced severe scalp itching with MPB and found Nizoral ineffective. A doctor diagnosed seborrheic eczema and prescribed Betacap, which relieved the itching.

User experienced itching, redness, and hives from Minoxidil foam and is questioning if they are allergic to Minoxidil or another ingredient. They have switched to oral Finasteride.

Lichen Planopilaris (LPP), a form of permanent hair loss, which can be mistaken for seborrheic dermatitis and is characterized by scalp itching, burning, redness, and dandruff. Treatment options discussed include steroidal creams, finasteride, minoxidil, and RU58841.

The user experienced genital itching while using finasteride and noticed a yellow bump, which improved with clotrimazole, but the itching persists. The discussion focuses on side effects of finasteride.

Microneedling with RU58841 may not be necessary since RU works topically by occupying receptors before DHT binds. RU58841 is a topical anti-androgen.

The conversation discusses using topical cetirizine for hair loss and questions its effectiveness and preparation. A user expresses interest in trying it if it can be dissolved in minoxidil.

The user struggles to cover their entire scalp with 1 ml of RU58841 while using dutasteride and oral minoxidil for hair loss. Suggestions include using a syringe for precise application, applying twice daily, and considering the use of more than 1 ml to ensure full coverage.

A user experienced a painful rash from both liquid and foam minoxidil, suggesting an allergy to minoxidil itself. They are seeking others with similar experiences.

A user noticed non-itchy, non-bleeding spots on their scalp while experiencing hair loss. Replies suggest the spots are likely sunspots or liver spots and recommend seeing a dermatologist; hair loss is attributed to male pattern baldness.

DHT Itch and its link to balding, with various treatments such as finasteride being discussed. Members shared their experiences of scalp itch before and after taking 5AR inhibitors, and potential underlying causes such as seborrheic dermatitis were discussed.

AH-001 is a new topical treatment designed to degrade androgen receptors, targeting the root cause of androgenetic alopecia without the side effects of oral treatments like finasteride. It has shown a strong safety profile and good local tolerability in early trials.

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 diffuse unpatterned alopecia (DUPA) and its possible causes, including sensitivity to DHT, not being androgenic alopecia, being diffuse alopecia areata, or hormonal issues. Treatments mentioned include topical melatonin, Clobetasol Propionate for alopecia areata, and the lack of results from using finasteride, dutasteride, and minoxidil.

The DHT itch is linked to hair loss and persists despite finasteride use; switching to dutasteride helped alleviate the itch and promoted regrowth. Some users suggest seborrheic dermatitis as a cause and recommend treatments like medicated shampoos, vitamin D, and minoxidil.

RU58841 from rudirect caused more hair shedding and itch, while anageninc's RU58841 improved the situation. Users are concerned about the quality and authenticity of RU58841 from different suppliers, including those from China.

Oral Minoxidil can cause puffy eyes and fluid retention. Adding an ACE inhibitor or ARB, like Telmisartan, may help mitigate these side effects.

The conversation discusses using scalp antiandrogens like RU58841, pyrilutamide, or fluridil on the face to reduce sebum production, noting that clascoterone (winlevi) is an approved facial antiandrogen with underwhelming reviews.

RU58841 and Minoxidil can cause heart-related side effects like chest pain and heart racing. Pyrilutamide is suggested as a safer alternative, though it's new and costly.

The user is experiencing an itchy scalp after six months of using dutasteride and minoxidil, suspecting dutasteride as the cause. They are seeking advice on how to alleviate the itch without stopping the treatment.

A 22-year-old male uses dutasteride, a serum with 10% minoxidil and 0.5% finasteride, and microneedling for diffuse androgenetic alopecia. Progress pictures show changes from July 2025 to February 2026.