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Glossary Telogen-Anagen Transition

shift from hair resting phase to active growth phase

The Telogen-Anagen Transition refers to the phase in the hair growth cycle where hair follicles shift from the resting phase (telogen) to the active growth phase (anagen). This transition is crucial for the renewal of hair, as it marks the end of the shedding period and the beginning of new hair growth. Understanding this process is important for both diagnosing and treating hair loss conditions such as alopecia.

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Research

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research Deciphering the molecular morphology of the human hair cycle: Wnt signalling during the telogen–anagen transformation

49 citations , July 2019 in “British Journal of Dermatology”

This study found that Wnt signalling agonists increase and antagonists decrease in human scalp follicles from telogen to early-anagen, with differences from the mouse model suggesting targeted interventions for hair growth disorders.

research Melanogenesis During the Anagen-Catagen-Telogen Transformation of the Murine Hair Cycle

161 citations , June 1994 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study found that the switch-off of melanogenesis during the hair cycle in C57 BL-6 mice is a gradual and stochastic process starting in mid anagen VI, with specific biochemical markers indicating the transition to catagen.

research Principles of Hair Cycle Control

109 citations , December 1998 in “The Journal of Dermatology”

This review discusses the hair follicle cycle's complex regulation and highlights the potential for targeting catagen control in future therapies without presenting new experimental data.

research A lipid–polymer hybrid nanoparticle (LPN)-loaded dissolving microneedle patch for promoting hair regrowth by transdermal miR-218 delivery

13 citations , November 2022 in “Biomaterials Science”

This study demonstrated that a device combining hyaluronic acid-based dissolving microneedles and lipid polymer hybrid nanoparticles effectively delivered miR-218 to promote hair growth in a shaved mouse model, outperforming topical smear treatment without safety concerns.

research Temporary hair removal by low fluence photoepilation: Histological study on biopsies and cultured human hair follicles

134 citations , September 2008 in “Lasers in surgery and medicine”

This study found that low fluence photoepilation with intense pulsed light targets the pigmented area of hair follicles, causing temporary hair loss by inducing a catagen-like state without severe follicle damage.

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community Redensyl for Hair Loss — What It Can and Can’t Do

9 months ago

Redensyl is a plant-based treatment that may support hair regrowth by reactivating dormant follicles and improving hair density, especially in early-stage thinning. It is not a miracle cure and results vary; it is less proven than Minoxidil or Finasteride and may cause scalp irritation.

community Huge gains after catching hair loss it early

in Progress Pictures 956 upvotes 1 year ago

The user achieved significant hair regrowth using dutasteride 0.5mg for a year and oral minoxidil 2.5mg for eight months, despite initial shedding. They reported no side effects and preferred oral treatments over topicals.

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 4 months of 1mg of fin a day and 5 months of topical minoxidil

in Progress Pictures 1053 upvotes 8 months ago

Significant hair regrowth was achieved using 1mg of finasteride daily, 3ml of topical minoxidil, ketoconazole shampoo, vitamin D, and castor oil, with no side effects. Results appeared after two months, leading to discussions on treatment effectiveness and commitment.

community From Perfect Hair to This: 2 Years of Chronic TE + Unmasked AGA.

in Treatment 5 upvotes 5 months ago

A 25-year-old is experiencing chronic telogen effluvium (TE) and androgenetic alopecia (AGA) after surgery, using finasteride, red light therapy, and supplements, and considering oral minoxidil despite heart concerns. They are unsure whether to start minoxidil before or after an upcoming surgery, which may trigger another hair shed.

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Clinics

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Hair Systems
Telogen Salon and Hair Restoration CenterHoboken, NJ · US

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