How to Use: (1) wash your face (2) before applying your night skincare, draw the outline (3) fill in the inside of the outline (4) sleep without washing your face (5) wash your face in the morning. Easy to Use: You can easily apply the product with our signature marker type brush that is easier to draw in brows delicately than other gel-type and brush-type tattoo eyebrow products. Marker type brush also prevents the product from drying too quickly and ensures stable application throughout a long period of time. Safe to Use: With clinically tested formula, 168 hours of tattoo effect lasts and disappears with no skin pigmentation and no skin irritation. Dead skin cells are naturally removed based on individuals’ skin turnover period. N-Proof/Tattoo Effect: N-Proof (waterproof, smudge proof, sweat proof, oil proof), enhances durability and consistency. Maximum 168 hours (one week) of perfect consistency that locks on to your skin like your own brows. With one application, you are free from having to worry about drawing your brows for one week straight. Great for anyone in any circumstances including; waterpark day, working out, hot/humid day,….