Hair Growth Rate and Why Patience Is the Protocol
Scalp hair grows about 1 cm a month, and each follicle runs a growth phase lasting years followed by transition and rest. Any nutrition
5 August 2026Read →
Growth rates, keratin, telogen effluvium, ferritin and thyroid — what causes hair and nail problems and which tests come before supplements.
Scalp hair grows about 1 cm a month, and each follicle runs a growth phase lasting years followed by transition and rest. Any nutrition
Vertical ridges are usually a normal part of ageing. White spots are almost always minor trauma rather than a mineral deficiency. Horiz
Brittleness usually comes from repeated wetting and drying, detergents, solvents and age. Nutritional and medical causes exist but are
Fingernails grow roughly 3 mm a month and toenails about half that, so replacing a full fingernail takes about six months. Growth slows
Both underactive and overactive thyroid cause hair and nail changes — thinning, dryness, brittleness and, in hypothyroidism, loss of th
Ferritin measures iron stores, and low ferritin is associated with hair shedding even before anaemia appears. It is one of the most com
A physiological stress pushes many follicles into the resting phase at once, and they shed together roughly three months later. Illness
Hair and nails are made of keratin, a structural protein. Cofactor vitamins help assemble it, but they cannot substitute for the amino