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GlossaryLow Level Laser Therapy (RLT)

uses low-intensity light to stimulate cellular function and healing

Low Level Laser Therapy (LLLT), also known as Photobiomodulation, is a treatment that uses low-intensity lasers or light-emitting diodes (LEDs) to stimulate cellular function. It is commonly used to promote hair growth in cases of alopecia, reduce inflammation, and accelerate tissue repair and healing. The therapy works by emitting specific wavelengths of light that penetrate the skin and are absorbed by cells, enhancing their energy production and promoting regeneration.

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research Hair Follicle Aging Is Driven by Transepidermal Elimination of Stem Cells via COL17A1 Proteolysis

242 citations, February 2016 in “Science”

Hair loss and aging are caused by the breakdown of a key protein in hair stem cells.

research Prostaglandin D2 Inhibits Hair Growth and Is Elevated in Bald Scalp of Men with Androgenetic Alopecia

205 citations, March 2012 in “Science Translational Medicine”

PGD2 stops hair growth and is higher in bald men with AGA.

research Commensal Microbes and Hair Follicle Morphogenesis Coordinately Drive Treg Migration into Neonatal Skin

192 citations, April 2017 in “Cell host & microbe”

Hair follicle development and microbes help regulatory T cells gather in newborn skin.

research Regulatory T Cells: The Many Faces of Foxp3

125 citations, September 2019 in “Journal of Clinical Immunology”

Foxp3 is crucial for regulatory T cell function, and targeting these cells may help treat immune disorders.

Towards Dissecting the Pathogenesis of Retinoid-Induced Hair Loss: All-Trans Retinoic Acid Induces Premature Hair Follicle Regression by Upregulation of Transforming Growth Factor-β2 in the Dermal Papilla

research Towards Dissecting the Pathogenesis of Retinoid-Induced Hair Loss: All-Trans Retinoic Acid Induces Premature Hair Follicle Regression by Upregulation of Transforming Growth Factor-β2 in the Dermal Papilla

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

All-trans retinoic acid causes hair loss by increasing TGF-β2 in hair follicle cells.

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community Red Light Therapy: my experience

in Research/Science 13 upvotes 2 months ago

A user shared their positive experience with the Omnilux Red Light mask for skin and potential hair benefits, while also using Minoxidil, Dutasteride, and RU58841. They recommend the mask for those interested in skincare and red light therapy, despite being unsure of its effectiveness for hair growth.

community Is this shedding or continued loss? 2 months of new dutasteride dose after two years of dutasteride

in Finasteride/Dutasteride 6 upvotes 3 months ago

A user increased their dutasteride dose to 3mg daily after two years but experienced significant hair loss. They also use RU58841 and minoxidil and are concerned about whether the loss is due to shedding or another issue like telogen effluvium.

community Scalp Inflammation is eating my hair!

in Chat 26 upvotes 5 months ago

A user with seborrheic dermatitis is experiencing bald spots and hair thinning despite changing their diet and taking oral minoxidil. Another user suggests using ketoconazole shampoo properly, using a scalp massager, applying rosemary/peppermint oil, keeping hair short, and taking fish oil to improve scalp health.

community Almost 8 months. 40 years old. Owe it all to this sub.

in Progress Pictures 815 upvotes 11 months ago

A 40-year-old man successfully regrew his hair in 8 months using 0.5mg Dutasteride, 2.5 oral minoxidil, minoxidil foam twice a day, derma rolling/stamping twice a week, and retinol serum. The community praised his progress, asked about his routine, and shared their own experiences.