Splitting nails are common. Soft, weak nails that split down the middle, on the sides or just peel in layers are unfortunately a problem. About 20% of people suffer from brittle nails, especially women over the age of 50. Brittle and splitting nails can be painful, fragile and they catch on things. They are also embarrassing because fingernails are affected most and everyone can see them. What You Need to Know About Weak, Splitting Nails What causes soft, splitting fingernails? What are the…