Hair & nails

Nail health

Common nail problems and when to seek advice.

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Patient guides

Everything about psoriasis: causes, symptoms, diagnosis and current treatments

Psoriasis is a chronic inflammatory disease mediated by the immune system that can affect the skin, the nails and the joints. Thanks to current treatments, including biological drugs, most patients can effectively control the disease and enjoy an excellent quality of life.

July 23, 2026

Zinc and skin health

Zinc is an essential mineral for the health of the skin, hair and nails. Its supplementation is only indicated when there is a deficit or a specific clinical need, since the excess can also be harmful.

July 23, 2026

Biotin: does it really work?

Biotin is an essential vitamin, but its deficit is uncommon. Scientific evidence does not demonstrate that it improves the hair or the skin in healthy people, and its use can interfere with some laboratory analyses.

July 23, 2026

Lichen planus

Lichen planus is an autoimmune inflammatory disease that can affect the skin, the mouth, the nails and the scalp. Learn its symptoms, diagnosis, treatment and the importance of follow-up in certain forms of the disease.

July 23, 2026

Nail psoriasis

Nail psoriasis is an inflammatory manifestation that can cause pits, thickening, color change and separation of the nails. Discover how it is diagnosed, how to differentiate it from fungi and what its treatments are.

July 23, 2026

Brittle nails (onychoschizia and onychorrhexis)

Brittle nails are a frequent alteration that causes breakage, flaking and fragility. Learn their causes, how they are diagnosed and which are the best treatments and care to recover healthy nails.

July 23, 2026

Onychomycosis (nail fungus)

Onychomycosis is the most frequent fungal infection of the nails, especially of the feet. Learn how to recognise it, how the diagnosis is confirmed, what the most effective treatments are and how long it takes for a healthy nail to recover.

July 22, 2026

Frequently asked questions

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Nail health

Patient guides

Everything about psoriasis: causes, symptoms, diagnosis and current treatments

Zinc and skin health

Biotin: does it really work?

Lichen planus

Nail psoriasis

Brittle nails (onychoschizia and onychorrhexis)

Onychomycosis (nail fungus)

Frequently asked questions

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