Tag: Keratinocytes

Sunlight exposure remains the primary natural source of vitamin D for most people, activating a remarkable process within the body's largest organ. This guide will detail exactly how skin cells produce vitamin D, revealing the intricate biochemical pathway initiated by UV radiation.

Did you know that approximately 90% of a human hair's total mass is composed of proteins? The specific, tough, fibrous protein that gives skin, hair, and nails their hardness is called keratin.

According to a 2021 research review, low vitamin D levels have been linked to hair loss. This fact directly addresses the common misunderstanding in the question, “Can lack of vitamin D cause hair growth?”, as the opposite is actually true: a deficiency can disrupt the natural hair cycle and lead to thinning and shedding, not increased growth. This article will clarify the science behind vitamin D's influence on your hair's health.