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Glossary classification

systematic arrangement of organisms based on shared traits

Classification in biology refers to the systematic arrangement of living organisms into categories based on shared characteristics and genetic relationships. This hierarchical system, which includes levels such as kingdom, phylum, class, order, family, genus, and species, helps scientists organize and understand the diversity of life, including the study of hair and conditions like alopecia.

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Research

5 / 1000+ results

research Shape Variability and Classification of Human Hair: A Worldwide Approach

95 citations , January 2007 in “Human biology”

This study proposes a new, objective method to classify human hair into eight categories based on specific shape measurements, rather than traditional ethnicity-based classifications.

Geometric Classification of Scalp Hair for Valid Drug Testing, More Reliable Than Hair Curl Groups

research Geometric classification of scalp hair for valid drug testing, 6 more reliable than 8 hair curl groups

16 citations , June 2017 in “PLoS ONE”

This small study reports that a 6-group geometric classification method is more reliable for classifying human hair curl, although a digital system could further reduce errors.

research Revised NPRT Classification System Encompasses Additional Patterns of Male and Female Hair Loss

May 2020 in “Hair transplant forum international”

This article introduces a revised NPRT classification system that includes diverse patterns of hair loss in both men and women, suggesting it as a universal tool for classification and documentation.

Faculty Opinions Recommendation of a New Classification of Pattern Hair Loss That Is Universal for Men and Women: Basic and Specific (BASP) Classification

research Faculty Opinions recommendation of A new classification of pattern hair loss that is universal for men and women: basic and specific (BASP) classification.

July 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature”

This study introduced the BASP classification, a new system for categorizing pattern hair loss in both men and women, and applied it to analyze 2213 Korean subjects.

research A new practical classification for spatial distribution and morphology of human hair: Ahmad's LGMA classification

3 citations , October 2017 in “Journal of Cosmetic Dermatology”

This study presents a new classification of adult human scalp hair patterns based on high-resolution photographs, which may assist hair restoration surgeons and dermatologists in determining appropriate punch size for follicular unit extraction.

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Community Join

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community Brotzu lotion update

87 upvotes 8 years ago

A new hair loss lotion by Dr. Brotzu, expected to regrow up to 5 years of lost hair, is set to be released by Fidia Farmaceutici. It claims to work like minoxidil and finasteride without side effects, but skepticism exists due to its classification as a cosmetic product.

community Less than 6 months after using ( dermaroller + Rosemary oil mixed with jojoba ) 3 times a week

75 upvotes 4 years ago

A user shared progress pictures showing hair improvement after using a dermaroller and a mix of rosemary oil with jojoba oil three times a week for less than six months. Another user asked for clarification on the frequency of dermarolling and oil use.

community Can i Just buy any Melatonin Spray and use it in my head?

16 upvotes 2 years ago

The post is about a user considering using topical Melatonin for hair loss and asking if any melatonin spray can be used for this purpose. The user also seeks clarification on the required percentage of Melatonin in the spray, while a respondent shares their experience of the spray making them sleepy.

community 8 months min and fin progress… thoughts?

14 upvotes 4 weeks ago

A 25-year-old male shared progress pictures after 8 months of using minoxidil and finasteride for hair loss, noting improvement and seeking opinions on his hairline classification. Responses indicate visible progress, with some suggesting his hairline is around Norwood 2 or 2.5.

community Minoxidil to fix naturally receding temples/corners (NO actual hair loss)?

1 month ago

Minoxidil may not permanently fill naturally sparse hairline corners if no follicles exist there. If Minoxidil thickens existing hair, the cosmetic effect might improve, but stopping it could lead to shedding.

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