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Did you mean Hair Cortisol Concentration?

Glossary Hair Cortisol Concentration

amount of cortisol embedded in hair strands over time

Hair Cortisol Concentration (HCC) refers to the amount of cortisol, a stress hormone, that is embedded in hair strands over time. Unlike blood or saliva tests that measure cortisol levels at a single point, HCC provides a long-term record of an individual's stress levels, as hair grows approximately 1 cm per month and can reflect cortisol exposure over several months. This makes it a valuable tool for both researchers and clinicians in assessing chronic stress and related health conditions.

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Research

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research Effects of shampoo and water washing on hair cortisol concentrations

122 citations , October 2010 in “Clinica Chimica Acta”

In this study, washing rhesus monkey hair with water or shampoo significantly reduced cortisol levels, suggesting potential underestimation of chronic stress hormone deposition in hair due to washing.

research An Investigation of Hair Cortisol Concentration across Body Sites and within Hair shaft

22 citations , January 2010 in “Clinical Medicine Insights Endocrinology and Diabetes”

In this study, hair from forearms showed higher cortisol levels than hair from lower legs, suggesting a localized cortisol response in hair.

research Quantifying long-term stress in brown bears with the hair cortisol concentration: a biomarker that may be confounded by rapid changes in response to capture and handling

90 citations , July 2014 in “Conservation Physiology”

This study found that hair cortisol concentration in free-ranging brown bears is influenced by handling methods, body condition, and potentially both short- and long-term stressors.

research Hair cortisol concentrations in mental disorders: A systematic review

50 citations , November 2020 in “Physiology & behavior”

This review found that patients with depression generally have higher hair cortisol concentrations compared to healthy controls, while those with PTSD tend to have lower concentrations.

research Hair dyeing, hair washing and hair cortisol concentrations among women from the healthy start study

33 citations , January 2017 in “Psychoneuroendocrinology”

This study of Danish women found no evidence linking hair cortisol concentration to hair dyeing status or the frequency of hair washing.

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community Taking ashwagandha with finasteride

5 upvotes 1 year ago

Ashwagandha is used to reduce stress and improve sleep, while finasteride is taken for hair loss. Users report positive effects from ashwagandha and mixed results from finasteride, with some experiencing a slight dip in libido.

community What do you think about this prescription

2 years ago

The user visited a trichologist due to ineffective topical finasteride treatment for hair loss. The trichologist recommended a new regimen including a two-month course of locoidon (cortisone 0.1%), followed by a solution containing minoxidil, hydrocortisone butirrate, estrone, progesterone, tocopherol acetate, trichosol, and transcutol.

community abusing caffeine boosts DHT levels!

in Research/Science 1 upvotes 1 year ago

Caffeine intake may increase DHT levels, but its impact on hair loss is minimal compared to genetic factors. Excessive caffeine can cause health issues, and its effects on hair loss are not directly applicable to humans based on rat studies.

community Quit vaping/smoking = 80% less loss

in Research/Science 235 upvotes 2 years ago

Quitting vaping significantly reduced hair loss for a user who was a heavy vaper and also taking finasteride. Some participants suggest nicotine's vasoconstrictive properties may worsen hair loss, while others share personal anecdotes of hair improvement after quitting smoking or vaping.

community 25M | 10 years of gradual hair loss | Minoxidil user | Looking for input on treatment optimization before HT

4 upvotes 9 months ago

A 25-year-old male with 10 years of hair loss is using minoxidil and considering adding finasteride or dutasteride, possibly with microneedling, to improve hair regrowth before a hair transplant. Community members suggest starting a DHT blocker immediately, considering oral minoxidil, and addressing low vitamin D and HDL levels.

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