Satin
The question of Satin vs. Silk is a common one, but here's what you need to know: Satin isn't a natural fiber like cotton or silk; rather, it's a weave that can be made from various materials, including silk, polyester, acetate, or blends of these fabrics.
While polyester satin is more affordable and offers certain benefits, such as mimicking the smooth and luxurious appearance of silk, it doesn't quite feel the same and isn't as breathable.
Additionally, if you're looking for benefits such as reducing wrinkles, and acne, and minimizing frizz, polyester satin may not deliver. Silk satin, on the other hand, is a better option to consider. While it may be more affordable than traditional silk, it offers similar benefits.
If you're aiming for silk-like benefits on a tighter budget, silk satin might be the way to go.