Skin aging is one of the most evident signs of human aging. Modification of the skin during
the life span is characterized by fine lines and wrinkling, loss of elasticity and volume, laxity …

Melanocyte development provides an excellent model for studying more complex
developmental processes. Melanocytes have an apparently simple aetiology, differentiating …

Hair greying (canities) is one of the earliest, most visible ageing‐associated phenomena,
whose modulation by genetic, psychoemotional, oxidative, senescence‐associated …

Premature graying of hair (PGH) is defined as graying of hair before the age of 20 years in
Caucasians and before 30 years in African American population. It can severely affect the …

Hair graying and hair loss are prominent and common characteristics of the elderly
population. In some individuals these processes can significantly impact their quality of life …

Aging is a complex natural process that leads to a decline in physiological functions, which
is visible in signs such as hair graying, thinning, and loss. Although hair graying is …

As one of the earliest and most visible phenomenon of aging, gray hair makes it a unique
model system for investigating the mechanism of aging. Ionizing radiation successfully …

Microscopic traits and ultrastructure of hair such as cross-sectional shape, pigmentation,
curvature, and internal structure help determine the level of variations between and across …

The appearance of human scalp hair is often tied to perceptions of youth and virility,
especially in men. Hair loss, or alopecia and hair graying are commonly associated with …

Background Premature hair graying (PHG) is a common condition resulting in loss of self‐
esteem. Studies investigating PHG risk factors for both sexes with a large number of patients …