Discover what actually helps postpartum hair regrowth, which treatments are worth considering, and when to begin a hair-preservation routine after childbirth.

Discover why postpartum hair loss happens, when shedding peaks, how long it lasts, and how to support healthy hair regrowth after pregnancy.

Can high cortisol cause hair loss? Discover how stress hormones affect hair follicles, which cortisol tests doctors use, and how to support healthier hair growth.

Discover how chronic stress, cortisol and inflammation may affect hair growth, which blood tests can help investigate shedding, and how to support healthier regrowth.

Learn how gut health, immune signaling, inflammation, and the scalp may be connected—and why chronic inflammation can influence the environment surrounding healthy hair follicles.

Learn how poor nutrient absorption may contribute to hair shedding and thinning by affecting iron, ferritin, B12, vitamin D, zinc, protein, and other nutrients your follicles need.

Can probiotics help support healthy hair? Learn how the gut microbiome influences nutrient absorption, immune function, and the biological environment your hair follicles depend on.

Can poor gut health contribute to hair loss? Learn how digestive problems may affect nutrient absorption, inflammation, iron stores, and the healthy hair growth cycle.

Learn how gut health may influence hair growth through nutrient absorption, inflammation, immune function, and the gut microbiome—and why digestive health matters for healthy hair.

Learn how thyroid hormones influence healthy hair growth, what TSH, Free T3 and Free T4 measure, and why thyroid blood work is often part of a hair loss evaluation.

Learn how vitamin B12 supports healthy hair growth, who is at risk for deficiency, and why checking your B12 levels may be an important part of a hair loss evaluation.

Learn how vitamin D supports healthy hair follicles, why deficiency may contribute to hair thinning, and what to discuss with your doctor if you're concerned.

Learn the difference between ferritin and iron, why both matter for healthy hair growth, and why many hair specialists look beyond a standard iron test.

Discover the most important blood tests to discuss with your doctor if you're experiencing hair thinning or excessive shedding, including ferritin, iron, thyroid, vitamin D, B12, zinc and more.

Learn how iron, ferritin, protein, vitamin D, B12, zinc and other nutritional deficiencies can contribute to hair shedding, thinning, and changes in hair quality.

Discover why magnesium, potassium, and sodium play an important role in healthy hair growth, hormone balance, hydration, and scalp health.

Discover why healthy fats are essential for hormone production, scalp health, and stronger hair. Learn the best fat-rich foods to support healthy hair growth naturally.

Learn how hormones influence your hair growth cycle, what changes are normal, and the lifestyle factors that can help support healthier hair naturally.

Discover the four pillars of healthy hair growth: hormones, nutrition, sleep and gut health. Learn how to support stronger, healthier hair naturally.

Frontal fibrosing alopecia (FFA) is a form of scarring hair loss that primarily affects the frontal hairline and eyebrows.

Over the past decade, researchers have explored whether certain environmental exposures, including sunscreens, may play a role in the condition.