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research Change in Hair Cycle and Hair Length in Nude Mice by Administration of Deuterium Oxide

1 citations , April 2001 in “Biological Rhythm Research”

This study suggests that D2O increases hair length in nude mice by extending the hair cycle duration, particularly the hair-existing phase, which is associated with increased mast cell density.

research A Model for Predicting Polycystic Ovary Syndrome Using Serum AMH, Menstrual Cycle Length, Body Mass Index and Serum Androstenedione in Chinese Reproductive Aged Population: A Retrospective Cohort Study

5 citations , March 2022 in “Frontiers in Endocrinology”

This study developed a mathematical model and online tool using serum AMH, androstenedione levels, UML, and BMI to screen for undiagnosed PCOS, particularly useful for Asian populations.

research Optimal microneedle length for hair regrowth in hair cycle arrest (alopecia X) in six dogs

December 2023 in “Veterinary dermatology”

This study found that microneedling with longer needles (3 mm) showed better hair regrowth in dogs with hair cycle arrest, although most experienced recurrent hair loss during follow-up. Some dogs also developed minor, temporary itching.

research Testosterone levels in relation to oral contraceptive use and the androgen receptor CAG and GGC length polymorphisms in healthy young women

25 citations , August 2006 in “Human Reproduction”

This study found that the GGC repeat length significantly influenced testosterone levels in oral contraceptive users from high-risk breast cancer families, and homozygosity for short alleles may be linked to increased breast cancer risk.

research The effects of melatonin treatment on wool production and hair follicle cycle in angora rabbits

7 citations , January 2001 in “Annales de zootechnie”

This study found that melatonin treatment significantly increased wool production and hair follicle activity in German angora rabbits, with larger effects seen in defleeced animals and those treated in July.

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community Is shedding different hair lengths good or bad?

in Finasteride/Dutasteride 6 upvotes 5 months ago

The conversation discusses hair shedding while using 0.5 mg dutasteride daily for 8.5 months, with users sharing experiences of shedding various hair lengths and thicknesses. It is suggested that shedding can be part of the hair cycle synchronization and may not indicate worsening hair loss.

community Do you have short but thick hair that won't grow past a certain lenght?

in Chat 9 upvotes 1 month ago

Thick hair that won't grow past a certain length may be due to miniaturizing hairs with a shorter cycle. Treatments mentioned include minoxidil, oral dutasteride, and a derminator device.

community Minoxidil hairs not growing to full length

in Minoxidil 22 upvotes 1 year ago

New hair growth from minoxidil and finasteride is not reaching full length, possibly due to slow growth cycles. Users discuss dosing strategies for oral minoxidil to improve efficacy and minimize side effects, with advice against consuming topical minoxidil orally.

community if hair follicle miniaturization happens slowly and gradually over a few hair cycles then wouldn't that mean that to regain maximum or top thickness from treatment you would at least need 5-10 years?

in Research/Science 53 upvotes 10 months ago

Hair regrowth from treatments like finasteride, dutasteride, and minoxidil can take several years, with most visible results appearing within 1-2 years and potential improvements continuing up to 10 years. Consistency and patience are crucial for achieving maximum hair thickness, as hair miniaturization and regrowth are gradual processes.

community Help me understand hair/shed cycles. After 6 months of Fin, losing ground again

15 upvotes 4 years ago

After 6 months of using finasteride, minoxidil, RU58841, and microneedling, the user experienced hair regrowth but then noticed a significant shed, returning to the initial state of hair loss. Another user responded that shedding every 6-8 months is normal when using finasteride and advised to continue the treatment for thicker hair regrowth.

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learn Bimatoprost

Prostaglandin eye drop used for glaucoma and eyelash growth

learn Rapamycin

Is rapamycin safe for long-term use on the scalp, or should it be used in cycles? There is no published human trial of topical rapamycin on the scalp, so nobody knows whether long-term use is safe; the idea of cycling it comes from community practice and theory, not from any study or guideline, and rapamycin for hair loss is an off-label use of a prescription immunosuppressant.

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