SCIENTIFIC SKIN, HAIR & PERSONAL AESTHETICSConcern guides
Brittle Nails: understanding the concern and care options
Nails that peel, split or break easily can make everyday tasks frustrating. Often the answer lies in daily exposure and nail care, though persistent changes sometimes need a closer medical look.
SkinGenious editorial team
Explore the guide ↓Understanding the concern
Brittle nails may split into layers at the tip, develop cracks or break before reaching the length you prefer. Hands exposed to frequent washing, cleaning products or repeated cosmetic treatments are particularly vulnerable. Nail appearance alone cannot establish a vitamin deficiency, and changes affecting one nail can have a different explanation from changes affecting all of them.
Repeated wetting and drying, detergents and cleaning products.
Trauma from picking, filing or removal of nail enhancements.
Nail conditions, including fungal infection or inflammatory disease.
Some nutritional deficiencies, thyroid conditions or other health factors.
Brittle nails may split into layers at the tip, develop cracks or break before reaching the length you prefer. Hands exposed to frequent washing, cleaning products or repeated cosmetic treatments are particularly vulnerable. Nail appearance alone cannot establish a vitamin deficiency, and changes affecting one nail can have a different explanation from changes affecting all of them.
Causes and contributing factors
Repeated wetting and drying, detergents and cleaning products. Trauma from picking, filing or removal of nail enhancements. Nail conditions, including fungal infection or inflammatory disease. Some nutritional deficiencies, thyroid conditions or other health factors.
How it is assessed
The dermatologist checks which nails are affected, the type of splitting, surrounding skin and any colour or thickness changes. Your work, cleaning habits, manicures and previous treatments help identify exposure-related causes. Tests are considered when examination or history suggests infection, deficiency or another condition.
When to seek medical advice
Seek review for persistent changes, pain, discolouration, swelling or a new dark streak in a nail.
Treatment and management options
Protective nail care, moisturisation and treatment of an identified nail condition are often the most relevant steps. Correcting a demonstrated nutrient deficiency may help when that is part of the cause. Hair & Nail Nutrient Therapy and Personalised IV Nutrient Therapy offer nutritional consultations; neither is a substitute for diagnosing an infection or reducing repeated damage.
Hair & Nail Nutrient Therapy ↗
Hair shedding and fragile nails can sometimes involve nutritional factors, but they have many other causes too. This service connects a proper hair and nail assessment with a targeted discussion of zinc, B12, folate and, where relevant, biotin.
Personalised IV Nutrient Therapy ↗
A personalised plan begins with the reason you are seeking care—not a preselected bag of ingredients. This service brings your symptoms, routine, nutritional history and relevant results together to decide what, if anything, should be included.
What improvement can look like
A healthier nail has to grow out, so visible change takes time. Fingernails and toenails grow at different rates, and damaged ends will not immediately become stronger after treatment. Tracking new growth and reducing breakage can be more useful than judging the entire nail after a short interval.
Understanding your treatment choices
Ask whether the problem is mainly exposure, nail disease or nutrition. That distinction determines whether you need a care routine, a medicine, a test or nutrient replacement. Biotin is not automatically the answer, and any use should be discussed alongside planned laboratory tests.
Everyday care and prevention
Use gloves for prolonged wet work and cleaning, moisturise the nails and surrounding skin, and keep fragile nails at a manageable length. Avoid aggressive removal of nail products. Tell healthcare professionals about biotin supplements because they can interfere with some blood-test results.
Explore related guides
Continue exploring the treatments, concerns and categories connected with this topic.
Treatment guides
Hair & Nail Nutrient Therapy
Hair shedding and fragile nails can sometimes involve nutritional factors, but they have many other causes too. This service connects a proper hair and nail assessment with a targeted discussion of zinc, B12, folate and, where relevant, biotin.
Read the guidePersonalised IV Nutrient Therapy
A personalised plan begins with the reason you are seeking care—not a preselected bag of ingredients. This service brings your symptoms, routine, nutritional history and relevant results together to decide what, if anything, should be included.
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