How to use: 1. Wash your face, dry and remove oil away then draw your eyebrows meticulously with the 7 Days Tattoo Eyebrow.(If you draw on a make-up base or color make up, it will be less effective.) 2. Modify the area where requires a modification with a cotton swab lightly before it dry. 3. Recommended to use it before 1-2 hours before going to bed in the evening. 4. Color is developed and completed after 6 hours. 4. If you do retouching after about 3-4 days (when it starts getting faded), you can maintain the color like a semi-permanent.