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A user saw no results from using minoxidil and microneedling for 1.5 years and is considering trying tretinoin. They are seeking others' experiences with tretinoin for hair loss.

This post and conversation are about the molecular mechanisms triggered by microneedling, specifically its effects on inflammation, tissue remodeling, epithelial proliferation, differentiation, and collagen synthesis. The discussion highlights the potential benefits of microneedling for hair loss treatment.

Microneedling once a week at 1mm caused bumps, possibly scars, in the treated area. The user is considering cleaning the skin before microneedling to prevent this issue.

A user tried the Rapid Minoxidil Response Test (TrichoGene) and found they don't respond to topical Minoxidil, so they added tretinoin. The test is available internationally, and another user is considering ordering it.

The user underwent a biopsy two years ago and was diagnosed with keratosis pilaris, leading to hair issues. They tried treatments including Minoxidil, betamethasone, lymecycline, topical Accutane, and dutasteride, as well as diet changes, without improvement in hair thickness or skin dryness.

The conversation is about treatments for androgenetic alopecia, focusing on hyperresponders. Treatments include Minoxidil, finasteride, RU58841, leg training, and cold therapy.

The user experienced significant hair regrowth in 5 weeks using Minoxidil, Finasteride, Dutasteride, biotin, collagen, derma stamping, and a mixture of oils, leading others to label them a "hyper responder." Some users advised caution with microneedling frequency to avoid potential scarring.

The user is experiencing reduced hair shedding and increased hair density after using finasteride, minoxidil, derma rolling, granactive retinoid, and Nizoral, while also taking testosterone and aromatase inhibitors. They question if they are a hyper responder to the treatments, despite mixed feedback from others about visible progress.

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.

Microneedling and tretinoin may enhance minoxidil absorption for hair loss, but evidence on their effectiveness is limited. Iron supplements and broccoli sprouts are suggested for enzyme activation, but their impact on hair is unclear.

The conversation discusses using 1.5mm microneedling to improve responses to Minoxidil for hair loss. One user humorously suggests more aggressive microneedling.

Microneedling the scalp can cause sneezing, runny nose, and watery eyes due to nerve stimulation, histamine release, reflex actions, or sinus relief. Several users experience similar symptoms.

The conversation discusses the effectiveness of topical tretinoin as a monotherapy for hair loss, with users suggesting it may not be as effective as minoxidil or finasteride. The original poster is considering other options like a phenol peel and is concerned about the risks of derma rolling.

Oral minoxidil is more effective than topical for some users, increasing hair density and thickness. Lack of response to topical minoxidil may be due to insufficient sulfotransferase enzyme, which can be upregulated with tretinoin.

Avoid sun exposure for 7-14 days after microneedling the scalp, using a hat for protection. Sunscreen on the scalp can be messy and irritating.

The conversation discusses using minoxidil and finasteride for hair loss, with concerns about absorption and considering adding tretinoin for better results. Microneedling is suggested as a method to improve absorption, with varying depths and frequencies recommended.

The user is experiencing irritation from using PG with RU58841 and is seeking alternative solutions like K&B in the UK. They report redness, itchiness, and flaky skin from the current treatment.

Topical dutasteride may have limited absorption due to its higher molecular mass compared to finasteride, potentially affecting its efficacy in suppressing DHT locally. Microneedling might enhance dutasteride absorption, possibly offering stronger local DHT suppression with fewer systemic effects.

The conversation discusses switching from oral to topical finasteride due to side effects like nipple soreness. The user seeks advice on diluting and applying topical finasteride to minimize adverse effects.

Tretinoin and microneedling both enhance hair growth through different mechanisms, with microneedling being considered safe for long-term use. Optimal microneedling needle length varies, but 0.8 mm is suggested for hair growth, and a Dermastamp is recommended to avoid skin damage.

Microneedling stimulates hair growth through stem cell activation during wound healing, not just increased blood flow. Other methods like showers or supplements don't replicate this effect.

A user is participating in a phase 3 trial for Clascoterone, a topical acne medication that may stimulate hair growth, and will share results after 6 months. They will have a section of their hair shaved and marked with a tattoo for the study.

The conversation discusses microneedling techniques and the use of Minoxidil, copper peptides, EGF, FGF, ceramides, and hydration serums to enhance hair growth. It explores optimizing scalp conditions and the potential benefits of various compounds in conjunction with microneedling.

People are discussing if microneedling alone or with tretinoin is effective for hair loss without using minoxidil or finasteride. They are questioning the viability of these treatments by themselves.

A user asked if anyone who didn't respond to minoxidil saw improvement after adding tretinoin. One person replied they saw hair growth on their hairline after using a combination of minoxidil, finasteride, and tretinoin, suggesting tretinoin may have made them respond to minoxidil.

User started using topical spironolactone on scalp and face, experienced fever feeling and sluggishness. Asks if side effects are normal or systemic.