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Why Overly Rounded Toenails Are a Risk in Pedicures

21. Aug 2025 admin 2 Min. Lesezeit

Many clients prefer gently rounded toenails during a pedicure. The look is feminine, elegant, and harmonious. However, too much rounding can lead to serious health issues. At MONLIS School in Munich, future foot care professionals learn that nail shape is not only about aesthetics but also plays a crucial role in foot health.

Risk 1: Ingrown Nails

When nails are rounded too aggressively on the sides, the risk of ingrown nails increases, especially on the big toe. Ingrown nails cause pain, redness, swelling, and in severe cases, infections. Professionals know that a straight or slightly rounded square shape is much safer.

Risk 2: Higher Risk of Infection

Cutting toenails too deep or too round creates an entry point for bacteria and fungi. This increases the chance of inflammations or nail fungus. That’s why proper technique is essential. At MONLIS School, students are trained to work precisely and hygienically to minimize these risks.

Risk 3: Instability and Uneven Growth

Toenails that are shaped too round lose their natural stability. They become more prone to splitting and breaking. In addition, incorrect shaping can lead to uneven nail growth, resulting in long-term aesthetic problems.

Aesthetic Considerations: Less is More

Toenails should look neat and beautiful, but health always comes first. A soft, slightly squared shape – often called the “rounded square” – is considered the safest and most attractive option. It looks modern, balanced, and minimizes complications.

Learning the Right Technique

At MONLIS School Munich, great emphasis is placed on teaching the correct techniques for cutting and filing toenails. Students not only learn the theory of nail anatomy and growth but also practice extensively. This ensures that each pedicure is tailored to the client’s individual nail structure and foot type.

Overly rounded toenails might look appealing at first glance, but they can cause painful and long-lasting problems. For a professional pedicure, it is important to find the right balance between aesthetics and function. At MONLIS School Munich, you will learn how to shape toenails beautifully while ensuring long-term nail health.

Frequently Asked Questions

Excessive rounding of toenails changes their natural growth direction. This often causes the edges of the nail to dig into the skin, leading to painful ingrown toenails. The issue is particularly common on the big toes, where nails are wider and thicker. If left untreated, it can result in severe inflammation, infection, or even require medical intervention. For this reason, professionals recommend the “rounded square” shape, which is both safe and aesthetically pleasing while maintaining natural growth.
An improper nail shape, especially when corners are cut too short or rounded too deeply, can cause several problems. These include ingrown toenails, redness, swelling, and chronic discomfort. In addition, open skin around the nail edges creates an entry point for bacteria and fungi, increasing the risk of infection. Over time, nails may also become weaker, split, or grow unevenly, which affects both appearance and comfort when walking.
The safest and most recommended shape is the “rounded square.” This shape supports the natural growth of the nail, distributes pressure evenly, and reduces the likelihood of ingrown nails. It is a universal choice that suits both narrow and wide nail plates and offers a neat, polished look. Furthermore, it complements any pedicure style or design, making it the go-to option for professionals.
While many people trim their toenails at home, mistakes are common without proper knowledge. Cutting too deeply into the corners or filing nails too round is the most frequent error, often leading to ingrown nails. Professional pedicurists take into account the anatomy of the foot, the thickness of the nail, and its natural growth direction. For safe at-home care, it’s best to leave the edges slightly straight and avoid excessive rounding to minimize risks.
At the MONLIS School in Munich, students gain both theoretical knowledge and practical training in nail anatomy and shaping techniques. Under expert guidance, they practice adjusting toenail shapes to each client’s needs, focusing not only on aesthetics but also on safety. Hygiene and infection prevention are key parts of the training: students learn correct instrument care, disinfection methods, and techniques that prevent damage or health issues. This ensures graduates are fully prepared to deliver pedicures that combine beauty, comfort, and long-term nail health.
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