Feature: 1. Helps remove tea stains, coffee stains, tooth discoloration, and plaque. 2. Supports teeth whitening, reduces tooth surface debris, promotes oral hygiene, and helps maintain healthy teeth and gums. 3. Portable design allows for convenient use anytime, anywhere. 4. Formulated to deliver visible whitening results. 5. Simple to apply and easy to incorporate into daily routines. Instructions: 1. Brush and floss your teeth. 2. Dry the teeth with a clean paper towel. 3. Rotate the bottom of the pen clockwise until a small amount of gel appears on the brush tip. Additional rotations may be needed for first-time use. 4. Gently pull lips away from teeth. 5. Apply a thin, even layer of gel to the surface of each tooth using smooth strokes. Avoid contact with gums. 6. Allow the gel to remain undisturbed for 30 seconds before resuming normal activities. 7. Avoid eating, drinking, or rinsing for at least 30 minutes after application. 8. Use twice daily until desired results are achieved. 9. Always close the cap tightly after use to preserve product integrity. 10. Store in a cool, dry place; refrigeration is recommended. Specifications: Applicable object: Adult Function: Teeth whitening Net content: 3ml (3g, 0.1oz) Efficacy: Teeth whitening Package Included: 1 x Whitening Pen Notes: Due to differences in monitor displays, actual product color may vary slightly from images. Please allow 1–3 cm variation due to manual measurement. If you encounter any issues with the product, please contact us before leaving negative feedback. Thank you for your understanding.