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Research

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research Single dose gamma irradiation induced angiogenesis in rat skin hair follicles

3 citations , October 2020 in “Internatuinal Journal of Radiation Research”

This study reports that γ-ray exposure in rats led to dermal endothelial proliferation, new vessel formation around hair follicles, and increased inflammatory markers, suggesting possible early stimulatory effects on hair growth.

research 0475 High-dose UVA-1 therapy improves patient-reported outcomes and clinical scores in patients with sclerosing skin disease

July 2025 in “Journal of Investigative Dermatology”

This study found that high-dose UVA-1 therapy appeared to improve both patient-reported outcomes and objective clinical measures in patients with morphea and systemic sclerosis, supporting its potential efficacy for treating scleroderma.

research Alleviation of Severe Skin Insults Following High-Dose Irradiation with Isolated Human Fetal Placental Stromal Cells

1 citations , November 2022 in “International journal of molecular sciences”

This study found that local injections of fetal tissue mesenchymal stromal cells in mice significantly improved healing and hair follicle density after high-dose radiation-induced skin damage.

Cell and Tissue Damage After Skin Exposure to Ionizing Radiation: Short- and Long-Term Effects After Single and Fractional Doses

research Cell and Tissue Damage after Skin Exposure to Ionizing Radiation: Short- and Long-Term Effects after a Single and Fractional Doses

14 citations , January 2014 in “Cells Tissues Organs”

This study found that single high-dose irradiation in mice induced more severe acute skin injury and hair depigmentation, while fractional doses led to longer-term damage in the dermis and subcutis.

Worldwide Cancer Incidences Analyzed by Sex, Age, and Skin Type Over Time (1955-2007), Excluding Skin Cancer, Reveals Important Carcinogenic Drivers

research All sites but skin cancer incidences analyzed worldwide by sex, age, and skin type over time (1955-2007), advancing age, and UVB dose reveals important carcinogenic drivers

August 2017 in “Journal of epidemiological research”

The researchers reported that cancer incidences are rising over time in developed countries, with potential carcinogenic drivers including advancing age, estrogen, decreasing vitamin D3, and Human Papillomavirus.

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Community Join

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community Will minoxidil cause your skin to age from the collagen inhibition?

2 upvotes 7 months ago

Minoxidil is unlikely to cause skin aging at typical doses, and concerns about collagen inhibition are mostly unfounded. Users suggest using sunscreen and tretinoin for skin health, and some combine minoxidil with finasteride for hair maintenance.

community Early impressions Rootique Dou + Ulo low dose finasteride

5 upvotes 4 months ago

A user shares their positive experience using the Rootique Dou applicator with 0.005% finasteride, noting it effectively delivers the product without greasiness and helps with hair regrowth without side effects. Another user reports regrowth using low-dose finasteride from ULO, while avoiding tretinoin due to skin irritation.

community Around 2 months oral Fin/min low dose

80 upvotes 1 year ago

The user experienced significant hair regrowth after two months on a Hims oral treatment combining 3 mg minoxidil, 1.1 mg finasteride, and vitamins. The treatment is considered a normal/high dose, and the user reported initial side effects like oily skin and acne, which subsided over time.

community Any men here taking oral spironolactone?

5 upvotes 2 months ago

Men discussing the use of oral spironolactone for androgenetic alopecia, with some reporting no immediate changes in hair but noticing clearer skin and weight loss. Concerns about side effects like gynecomastia and erectile dysfunction are mentioned, with users planning to adjust doses over time.

community How to deal with tretinoin burning effect?

3 upvotes 8 months ago

Using tretinoin with minoxidil can cause burning and flaky skin due to alcohol in minoxidil and tretinoin's effects. Solutions include using minoxidil foam, starting with low tretinoin doses, moisturizing, and gradually increasing usage.

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Clinics

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Learn

9 / 801 results

learn Latanoprost

What are the possible side effects of using latanoprost on the scalp? No study has measured the side effects of latanoprost on the scalp. The reactions listed here are extrapolated from the eye-drop label — irritation, burning, itching and skin darkening — plus the systemic reactions the label records at ophthalmic doses; absorption over a whole scalp has never been measured.

learn Epidermal Growth Factor

learn Beta Polypeptide

learn Neem Oil

natural substance from Neem tree with medicinal and pesticidal properties

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Overview

learn Melatonin

Can melatonin cause side effects on the skin or hair? Melatonin may cause hair loss or thinning in some users, but evidence is limited.

learn Scalp Micropigmentation

Does scalp micropigmentation work on all skin tones and hair colors? Scalp micropigmentation can be customized for various skin tones and hair colors.
Is scalp micropigmentation suitable for people with sensitive skin? Providers say scalp micropigmentation suits most skin types and describe patch tests, hypoallergenic pigments and a skin consultation for sensitive skin. These are provider claims rather than independent safety evidence, and pigment reactions remain a risk.

learn retinol

How does retinol improve scalp health and prepare the skin for other hair growth treatments? Retinol improves scalp health by promoting cellular turnover and reducing congestion.

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Experts

1 / 3 results

36
SMP Specialist
Noelle Skin
Nice, France

Noelle Skin