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Did you mean Dystrophic Anagen Hairs?

Glossary Dystrophic Anagen Hairs

hairs in active growth phase but abnormally weak and thin

Dystrophic anagen hairs are hairs that are in the active growth phase (anagen) but are abnormally thin, weak, and often break easily due to damage or underlying health conditions. This can be caused by factors such as nutritional deficiencies, autoimmune disorders like alopecia areata, or physical trauma to the hair follicles.

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Research

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research Histologic and Cell Kinetic Studies of Hair Loss and Subsequent Recovery Process of Human Scalp Hair Follicles Grafted onto Severe Combined Immunodeficient Mice

31 citations , August 2000 in “Journal of Investigative Dermatology”

This study found that when human hair follicles were grafted onto mice, they progressed through dystrophic stages and returned to normal growth, with stem cells aiding in recovery.

research An Experimental Study of Morphofunctional Features of Hair Follicles Early Response in Cyclophosphamide-Induced Alopecia

September 2024 in “Journal of Anatomy and Histopathology”

In this study, researchers found that topical application of 3-β-methoxy-Δ18-oleanene (miliacin) in mice sped up the recovery of hair follicles damaged by cyclophosphamide, moving them into a new hair growth cycle more quickly compared to controls.

research A Guide to Assessing Damage Response Pathways of the Hair Follicle: Lessons From Cyclophosphamide-Induced Alopecia in Mice

106 citations , June 2005 in “Journal of Investigative Dermatology”

This study defines classification criteria for hair follicle dystrophy using a mouse model of chemotherapy-induced alopecia, providing tools for standardized hair damage assessment.

research Histologic Study of the Regeneration Process of Human Hair Follicles Grafted onto SCID Mice after Bulb Amputation

19 citations , November 2001 in “Journal of Investigative Dermatology Symposium Proceedings”

This study observed that human hair follicles with a completely destroyed bulb can regenerate after being grafted onto immunodeficient mice, entering a shortened dystrophic telogen followed by anagen phase.

research 1400 Low-intensity ultrasound protects human scalp hair follicles from taxane-induced toxicity

April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study provides ex vivo proof-of-principle that low-intensity ultrasound may protect human hair follicles from paclitaxel-induced damage, potentially reducing chemotherapy-related alopecia.

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Community Join

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community PP405 Won't Work Long Term: Hair Follicle Damage Due to Abuse of the ISR System

67 upvotes 11 months ago

PP405 may damage hair follicles if used long-term, suggesting cycling might be necessary. Combining it with finasteride could help maintain hair growth.

community PP405 Won’t Work: Follicle Is Miniaturized, Fibrosed, And Missing Key Support Cells

7 months ago

PP405 is ineffective for miniaturized, fibrosed hair follicles in androgenetic alopecia. AMP303 may activate hair follicle stem cells, but minoxidil and finasteride are still the main treatments.

community Everything you ever wanted to know about Pelage Pharma's PP405: how it works and what to expect

126 upvotes 3 months ago

PP405 may encourage earlier hair growth and slightly increase visible hair count but does not reverse hair follicle miniaturization in male pattern baldness. It does not address damage to the dermal papilla or broken Wnt signaling.

community Will PP405 need to be used indefinitely, like minoxidil?

31 upvotes 11 months ago

PP405 may not need daily use like minoxidil, but finasteride might still be needed to maintain hair regrowth. PP405 reawakens dormant hair follicles, potentially offering a long-term solution, though not a permanent cure.

community PP405 vs Hair Cloning – Which Would Be Better for NW7 to NW1?

in Research/Science 20 upvotes 1 year ago

PP405 and hair cloning are discussed as potential treatments for reversing hair loss from Norwood 7 to Norwood 1. Hair cloning is seen as a more permanent solution, while PP405's effectiveness and long-term effects remain uncertain.

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Learn

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learn Alopecia Areata

autoimmune disorder causing patchy hair loss

learn TDM-105795

What is TDM-105795, and why is it being studied as a potential product for hair loss and hair growth support? TDM-105795 is an experimental topical drug that has been tested only in men with androgenetic alopecia, in two Phase 1 studies and one 16-week Phase 2 trial of 71 men. It is not approved, and no peer-reviewed trial results have been published.
What types of alopecia or hair loss conditions might TDM-105795 be designed to target based on current research? TDM-105795 has been studied only in men with androgenetic alopecia, in two Phase 1 studies and one 16-week Phase 2 trial. There is no research on it in women or in any other type of hair loss.

learn Finasteride

Does hair strand thickness decrease in men with androgenic alopecia? Can finasteride help restore it? Androgenic alopecia thins hair strands by miniaturizing follicles. The pivotal finasteride trials (1,553 men, 1 mg/day, two years) report increased hair counts and improved assessed appearance, but they measured density, not the diameter of individual strands, so the effect on thickness itself is not established.

learn GHK-Cu

Do alopecia areata patches scar? And is there evidence for peptides? Alopecia areata patches usually still have living follicles and often regrow. One small trial of a cosmetic peptide lotion reported improvement, but no peptide is an approved treatment; see a dermatologist.

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Clinics

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Experts

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SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas