The hair cycle and hair follicle structure are highly affected by various hormones. Androgens—
such as testosterone (T); dihydrotestosterone (DHT); and their prohormones …

Melatonin production is highly conserved in nature through different species including
bacteria, unicellular eukaryotes, algae, plants invertebrates, and vertebrates (Hardeland et …

The discovery of corticotropin-releasing factor (CRF) or CRH defining the upper regulatory
arm of the hypothalamic-pituitary-adrenal (HPA) axis, along with the identification of the …

Skin aging is accompanied by a gradual loss of function, physiological integrity and the
ability to cope with internal and external stressors. This is secondary to a combination of …

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

The mammalian skin is a heterogeneous organ/tissue covering our body, showing regional
variations and endowed with neuroendocrine activities. The latter is represented by its ability …

For almost a quarter of a century, ex vivo studies of human scalp hair follicles (HF s) have
permitted major advances in hair research, spanning diverse fields such as chronobiology …

Acne vulgaris is a common chronic inflammatory skin disease, which is considered one of
the diseases of civilization due to the significant influence of environmental factors on the …

The nervous system communicates with peripheral tissues through nerve fibres and the
systemic release of hypothalamic and pituitary neurohormones. Communication between …

The human hair follicle (HF) is an exquisitely hormone-sensitive mini-organ that undergoes
cyclical remodeling. It is also a source and target of numerous neurohormones …