The Multifaceted Roles of Hair Fiber in Humans and Other Mammals
The typical human has about 2 million hair follicles with around 1 million on the head (of which about 100,000 are big terminal hair follicles…
Category: Hair Biology
The basics of the human hair follicle structure in the skin
Introduction: The total number of hair follicles present in the skin of a human is estimated at about 2 million. On other websites (and even…
What is hair fiber made of?
The primary component of hair fiber is keratin, a type of protein, which consists of long chains (polymers) of amino acids. The keratin in hair…
How does the lack of hair in naked mole-rats enhance their sensory perception and survival underground?
Naked mole-rats (Heterocephalus glaber) are intriguing creatures. Originating from subsaharan Africa, these bathyergid rodents exhibit several distinct characteristics that make them stand out among other…
Is Long Hair only Found in Humans?
Throughout human history, long hair has been a coveted characteristic, perceived as an emblem of beauty, strength, and social status. Most people cannot grow their…
There’s Something Fishy about Hair Follicle Evolution
Despite their dissimilarities, hair and fish scales – both integral vertebrate appendages – share a striking correlation in their evolutionary journey. At the core of…
Eyelashes: An Exploration of their Formation, Structure, and Function
Eyelashes, while often seen as a mere aesthetic feature, play a significant role in the biological scheme of mammals. These hair follicles are a distinct…
Unlocking the Secrets of Hair Growth: How Senescent Melanocytes Stimulate Hair Stem Cells
The article titled “Signalling by senescent melanocytes hyperactivates hair growth” in the journal Nature is a research study that investigates the role of senescent melanocytes…
The hair-itage of mankind: how our ancestors’ lifestyles influenced human hair biology
The complex tapestry of human evolution is significantly interwoven with physical attributes, where hair biology plays a pivotal role. Hair is a remarkable biological feature…