Yes, losing weight can help reduce facial fat, including the appearance of double chin or cheek fat, making your face look slimmer and more defined. When you lose weight, the body generally loses fat from all areas, and the face is no exception.
However, it's important to approach weight loss in a healthy way through a balanced diet and regular exercise. Additionally, genes and individual body composition play significant roles in how and where fat is stored, so results may vary from person to person.
If you're looking to target specific areas, consider incorporating facial exercises into your routine, along with overall weight loss strategies. Remember to consult with a healthcare professional before making significant changes to your diet or exercise routine.