Skip to content

keratin.com

Insights on Hair Health, Hair Growth, and Alopecia Research

  • Home
  • About Us
    • About Us
    • Privacy Policy
    • User Agreement
    • Copyright
    • Contact Us
  • Top Categories
    • Hair Biology
    • Diagnosis Consultation
    • Androgenetic Alopecia
    • Alopecia Areata
    • Other Alopecias
    • Hair Transplantation
    • Hair Care
    • Uncategorized
  • Cookie Policy (UK)

keratin.com

Insights on Hair Health, Hair Growth, and Alopecia Research

  • Home
  • About Us
    • About Us
    • Privacy Policy
    • User Agreement
    • Copyright
    • Contact Us
  • Top Categories
    • Hair Biology
    • Diagnosis Consultation
    • Androgenetic Alopecia
    • Alopecia Areata
    • Other Alopecias
    • Hair Transplantation
    • Hair Care
    • Uncategorized
  • Cookie Policy (UK)
Hair Biology

Differences in Human Hair-Follicle Growth Rates: What Varies, Why it Varies, and Why it Matters

adminNovember 3, 2025October 20, 2025

Human hair follicles are mini-organs with their own growth kinetics. They cycle through anagen (active growth), catagen (regression), and telogen (rest) and, over many cycles,…

Androgenetic Alopecia

The Hamilton male pattern baldness classification system

adminOctober 27, 2025September 17, 2025

In 1951, anatomist James B. Hamilton proposed the first broadly usable scheme for grading the extent of male pattern baldness (androgenetic alopecia, AGA). He organized…

Diagnosis Consultation

Measuring Scalp Sebum: Principles, Quantification Techniques and Dermatological Relevance

adminOctober 20, 2025September 16, 2025

Sebaceous glands are holocrine units that synthesise and excrete a complex lipid mixture – sebum – onto the surface of skin and hair. On the…

Hair Shaft Issues

Hair Weathering: Mechanisms, Causes, and Prevention

adminOctober 13, 2025September 9, 2025

Hair weathering refers to the progressive chemical or physical deterioration of the hair shaft, leading to the loss of structural components and increased susceptibility to…

Uncategorized

From Victorian Alarm to Twenty-First-Century Fashion: The Shifting Meaning of the Beard

adminOctober 6, 2025August 8, 2025

When men stop shaving, others start talking. Across the past two centuries journalists, preachers, physicians, and social-media influencers, have treated facial hair as a barometer…

Hair Shaft Issues

How Fast Does Hair Turn Grey As We Age ?

adminSeptember 29, 2025October 1, 2025

Few biological changes announce themselves as clearly – or as emotionally – as the first silver strands of hair on the temples. How quickly those…

Hair Biology

Understanding the Human Hair Growth Cycle

adminSeptember 22, 2025July 29, 2025

Human scalp hair does not grow continuously from birth to old age. Instead, every hair follicle runs through a repeating cycle of growth, regression, and…

Other Alopecias

Physical Injury Induced Alopecia: An Overview on Hair Loss after Burns, Frostbite and Prolonged Pressure

adminSeptember 15, 2025July 27, 2025

Hair looks deceptively tough, yet each shaft emerges from a remarkably delicate “mini‑organ” embedded in the skin. Humans are born with a set number of…

Hair Biology

Hair Density: What It Really Means, How It’s Measured, and Why It Changes

adminSeptember 8, 2025July 25, 2025

When people talk about “thick” or “thin” hair, they are usually describing hair density – that is, the number of visible hair shafts emerging from…

Posts navigation

Older posts

Recent Posts

  • Differences in Human Hair-Follicle Growth Rates: What Varies, Why it Varies, and Why it Matters
  • The Hamilton male pattern baldness classification system
  • Measuring Scalp Sebum: Principles, Quantification Techniques and Dermatological Relevance
  • Hair Weathering: Mechanisms, Causes, and Prevention
  • From Victorian Alarm to Twenty-First-Century Fashion: The Shifting Meaning of the Beard

Categories

  • Alopecia Areata
  • Androgenetic Alopecia
  • Diagnosis Consultation
  • Hair Biology
  • Hair Care
  • Hair Shaft Issues
  • Hair Transplantation
  • Hirsutism / Hypertrichosis
  • Infectious Hair Diseases
  • Other Alopecias
  • Scarring Alopecias
  • Telogen Effluvium
  • Uncategorized
Copyright © 2025 keratin.com
Manage Cookie Consent
We use technologies like cookies to store and/or access device information. We do this to improve browsing experience and to show (non-) personalized ads. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
  • Manage options
  • Manage services
  • Manage {vendor_count} vendors
  • Read more about these purposes
View preferences
  • {title}
  • {title}
  • {title}