Keratin, the same protein found in our hair, is important for natural nail flexibility. Additionally, moisture is crucial factor that’s essential to strong nails.
When moisture content is increased, it instantly increases flexibility. However, too much or too little moisture can pose a problem. A lack of moisture can cause your nails to become dry and brittle, leading to breakage. (Dry nails are prone to splitting, especially at the top of the nail.) But excess moisture may make nails absorb too much water, causing them to swell and change shape.
While moisture helps to build up nail strength, hot oil and nail conditioning treatments are other options, since oil penetrates the nail plate, making it more durable and less prone to breakage.
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