Contains extracts, mild texture, add nail needed nutrients. Improve nail rough, dull, gentle care nail , after the use of nails gradually showing a bright luster. Natural and without chemical additives, without side effects. Suitable for fingers and toe healthy nails.Biological nail repair pencil can make the fragile nails to become strong. Accelerate the healthy growth of nails. Restores the healthy appearance of nails discolored or damaged by nail or psoriasis. Safe and effective clear formula, dries quickly without unpleasant odors. Not dry, more moisture, shinier. Penetrates the nail and helps remove the damaged layers to restore healthy nail appearance. Portable size for easy and convenient to carry. Suitable for professional use or home use. Directions: 1. Clean and dry your nail. 2. Open the cover. Twist another end of the pen. 3. Brush the essence on to your nail. 3. Until dried. About 30 minutes. Shelf life: 3 years Color: transparent material: plastic Package Contents: 1* Nail Treatment Nourishment Pen 1* package box Precautions: 1.It is external use only,avoid contact with the eyes and mouth. 2.If your eyes are contacted with this product,wash your eyes with water immediately and contact your doctor. 3.Temporary reaction of burning is a normal phenomenon after application. 4. Avoid using on sunburned, damaged skin, swollen, blemishes or inflamed skin. 5. Pregnant women should not use this product. 6. Stop using the products if you feel any discomfort. Store in cool (room temperature) dry and dark conditions. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.