In this video tutorial, Lili Amanda from Portrait Creatives teaches how to quickly whiten teeth in Adobe Photoshop while maintaining a natural look. She discusses the importance of assessing whether teeth whitening is necessary and shows how to use adjustment layers and color channels to reduce yellow tones and brighten teeth. Viewers will learn how to use the Clone Stamp Tool or Healing Brush Tool to remove stains and achieve a natural-looking result. This beginner-friendly tutorial is perfect for anyone looking to enhance portraits in Photoshop.