What Cause Hair Loss Brittle Nails and Dry Skin in Women: Understanding the Connection

WrittenbyDr. Edna Skopljak, M.D.
Last updated

A myriad of factors can contribute to hair loss, brittle nails, and dry skin in women. Aging, nutritional deficiencies, hormonal changes, certain diseases, and lifestyle choices are among the most common causes. This article aims to provide comprehensive insights into these issues, their causes, and how to tackle them effectively.

Table of content
1. What Causes Hair Loss, Brittle Nails, and Dry Skin in Women?
2. Link Between Thyroid Issues and Hair Loss, Brittle Nails, and Dry Skin
3. Nutritional Deficiencies and Its Impact
4. Role of Aging in Hair Loss, Brittle Nails, and Dry Skin
5. Conclusion

What Causes Hair Loss, Brittle Nails, and Dry Skin in Women?

Several factors can lead to hair loss, brittle nails, and dry skin in women. Hormonal fluctuations, particularly during menopause, can lead to these conditions, with thyroid issues also commonly contributing. Vitamin deficiencies, particularly of biotin (vitamin B7), which is vital for converting food into energy, can cause brittle hair and nails. External factors such as excessive hair washing, styling, and blow-drying can also contribute to these issues. Furthermore, aging tends to weaken hair and nails, while also leading to drier skin.

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Link Between Thyroid Issues and Hair Loss, Brittle Nails, and Dry Skin

Hypothyroidism, or an underactive thyroid, occurs when the thyroid gland produces too few hormones. This can cause a wide range of symptoms, including changes in mental functioning, digestive issues, hair loss, brittle nails, and dry skin. In the early stages, these symptoms may not be noticeable, but without treatment, hypothyroidism can lead to severe complications such as infertility and heart disease.

Nutritional Deficiencies and Its Impact

The lack of certain nutrients in the diet can manifest as brittle hair, nails, and dry skin. Biotin deficiency, though rare, can cause brittle, thinning hair and nails. A balanced and nutritious diet is crucial for maintaining the health of your hair, skin, and nails. Additionally, using one of the best hair serums for dry hair can help restore moisture and strength to compromised strands.

Role of Aging in Hair Loss, Brittle Nails, and Dry Skin

As we age, hair and nails tend to weaken, and the skin becomes drier. This is a natural part of the aging process. For example, the oil and sweat glands grow less active as we age, making it harder to keep the skin moisturized. The nails may also become thin and prone to splitting.

Conclusion

Hair loss, brittle nails, and dry skin in women can be caused by a variety of factors including hormonal changes, vitamin deficiencies, aging, and certain diseases. If you're experiencing these symptoms, it's important to seek medical advice to determine the underlying cause and get appropriate treatment. Simple lifestyle changes such as eating a balanced diet, maintaining proper hydration, and protecting your skin, hair, and nails from harsh conditions can also make a significant difference.

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Dr. Edna Skopljak, M.D.

About the Writer

Edna Skopljak, MD — University of Ljubljana, Faculty of Medicine

Edna Skopljak, MD is a clinical doctor at the University Medical Center Ljubljana and a PhD candidate in Biomedicine at the University of Ljubljana. She combines clinical work with research and medical editing, bringing a clear, evidence-based lens to patient education. Previously, she held roles in the pharmaceutical sector (product management and chief medical officer) and served as a medical production editor for the journal Biomolecules and Biomedicine.

Dr. Skopljak’s publications span clinical topics, including urology and orthopedics. She has co-authored work affiliated with the Department of Orthopedic Surgery at University Medical Centre Ljubljana. She trained in medicine with early clinical experience in Slovenia, reflecting a long-standing focus on practical, patient-facing care.

She strictly follows our Editorial Standards: All medical statements are grounded in authoritative guidelines, FDA labels, and peer-reviewed studies, with clear distinction between approved treatments and adjunctive options.