Fingers with barbs can be caused by a lack of vitamin E, a lack of zinc, or by exposure to chemicals and dry skin. 1. Vitamin E: If the body is deficient in vitamin E, the body’s utilization of vitamin A will be affected, so the fingers will become rough and lack luster, and are more prone to grow barbs. 2. Zinc deficiency: When the body is deficient in zinc, it affects the metabolic level of the skin, slowing down the turnover of new and old skin tissues and making the skin of the hands peeling, dry, barbed and other symptoms. 3. Exposure to chemicals: Due to daily exposure to alkaline substances such as detergents and soaps, these alkaline substances wash away the oils on the skin, leading to dryness and cracking of the skin around the edge of the nails and the appearance of barbs. 4. Dry skin: generally in the autumn and winter seasons, the weather is relatively dry, usually do not pay attention to finger skin moisturizing, can also lead to dry skin, nail edge of the cuticle dry, causing finger barbs symptoms. Fingers with barbs is not necessarily a lack of nutrients, may also be excessive friction and other causes, if accompanied by other symptoms, should go to the hospital in a timely manner.