To reduce upper eyelid fat naturally you can apply a cool compress to help reduce swelling and puffiness.
And also be sure you're getting enough sleep, staying hydrated and reduce your salt intake, which can also help with the fluid retention.
Drinking enough water helps to flush out toxins in your body and reduce fluid retention, which can result in puffy eyelids and eyelid fat and eating a balanced diet that is low in salt can also help to minimize your fluid retention.
Applying a cool compress to your eyelids can also restrict the blood vessels and reduce the swelling in your eyes.
You can also use a clean washcloth that is soaked in some cool water or chilled cucumber slices.
And getting enough sleep is very crucial in your overall health and can also help to reduce puffiness around your eyes.
You should aim for getting at least 7 hours to 9 hours of quality sleep per night.
If you smoke, you should quit smoking as smoking can also result in skin aging and may even worsen eyelid puffiness and quitting smoking if you smoke can improve your skin elasticity and reduce the appearance of your sagging eyelids.
When out in the sun you should also protect your eyes by wearing sunglasses and also use a sunscreen to prevent premature aging and sun damage which can contribute to sagging eyelids.
Also using products containing caffeine around your eyes can help reduce puffiness and reduce upper eyelid fat as caffeine is a vasoconstrictor, which means that it can help to tighten your skin and reduce swelling by constricting of your blood vessels.
You can also use some tea tree oil and coconut oil on your eyelids to help soothe dry skin and reduce inflammation.
Black tea is also good for upper eyelid fat and eyelid inflammation as black tea has anti inflammatory and antioxidant properties and can be used to soothe the eyelids.
Applying cooled black tea bags to your eyelids can help reduce puffiness of your eyelids.
Also a diet rich in omega 3 fatty acids can also improve tear film and can potentially help with dry eye conditions, which can also sometimes lead to eyelid puffiness.