The comprehensive cause of oral ulcer and hand barb can be considered as vitamin deficiency or excessive pressure. In fact, it may also be because the digestive system is not good, which is also related to stress. You can consider making up first.

Rotting corners of the mouth: This may be a sign of vitamin B2 deficiency.

Without vitamin B2, people will feel tired, weak, oral pain, itchy eyes and burning, and then oral and scrotal diseases, including angular stomatitis, also known as rotten mouth corners.

Others such as:

Mental stress: such as long-term stress, mood fluctuation, work fatigue, lack of sleep, etc. , leading to immune dysfunction;

Endocrine changes: such as before and after menstruation and perimenopausal period;

Diseases and dysfunction of digestive system: such as abdominal distension, diarrhea or constipation.

Hand barb:

Lively and active. They often scratch and bite their nails with their hands, or their small hands rub against other objects too much, which makes their delicate skin grow barbs. ?

Dry skin. Improper care, dry hand skin, skin under nails can not be moisturized by oil, and it is easy to grow barbs. ?

Nutritional deficiency.