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Thinning Hair
Thinning hair is a loss of density: hairs become finer, shorter and lighter, and the scalp shows through more, often without bald spots. It is usually the early face of androgenetic, or pattern, hair loss, the most common form, in women as well as men. The key process behind it is miniaturization.
What is it?
On a genetic background, certain follicles are sensitive to DHT, a derivative of testosterone present in everyone. Under its signal, these follicles shorten their growth phase and shrink a little more with each cycle, so the hair they produce is finer and shorter each time. It isn't that hairs simply fall out more; they regrow weaker, until only fine fuzz remains.
Clinicians describe the progression with two patterns. In men, the Norwood scale traces a receding hairline and a thinning crown that gradually widen. In women, the Ludwig scale describes diffuse thinning along the part that usually spares the frontline. These describe a pattern, not a fixed timeline, since the pace varies widely from one person to the next.
Why does hair thin over time?
Thinning hair comes down to follicles that shrink under a genetic and hormonal influence, gradually producing weaker hairs. Hormones, age and family history all shape how early and how quickly it appears. Understanding the process, and that miniaturized follicles are still alive, explains why acting early offers the best chance to support density.
A genetic, DHT-sensitive terrain
Pattern thinning runs in families. What is inherited is how sensitive certain follicles are to DHT, not the hormone level itself, which is normal in most people. Follicles at the crown and front are typically the most sensitive, which is why thinning concentrates there while the sides and back are usually spared.
Miniaturization with each cycle
Under the DHT signal, sensitive follicles shorten their growth phase and shrink slightly each cycle. The thick, pigmented hair is gradually replaced by finer, shorter, lighter fuzz. This step-by-step shrinking is miniaturization, and it explains why density fades gradually rather than falling out all at once.
Hormonal shifts, especially in women
Hormonal changes influence the process. In women, thinning along the part often becomes more noticeable after menopause, as falling estrogen shifts the scalp's hormonal balance. This is why female pattern thinning frequently appears or accelerates around midlife, while typically preserving the frontal hairline.
Why timing matters
A miniaturized follicle is still alive and can still respond, but one that has fully switched off does not regrow. As thinning advances, more follicles fall silent. This is why earlier is better: there is more living tissue to support while the follicles are still producing at least fine hair.
How to Prevent
Personalized treatments for you.
Mesotherapy
Platelet-Rich Plasma (PRP)
Platelet-Rich Plasma Therapy for Hair Loss
Platelet-Rich Fibrin (PRF)
Scalp Revive
Exosome Hair Therapy
