Serum is the one product catering to a whole host of complexion concerns. Their formulations are highly concentrated, but they are also lightweight and penetrate skin very fast, which allows easy layering if you need it. Even though applying a serum may sound simple, it can be tricky to know how to get the most out
![A short guide for applying serums](https://seenbeauty.ro/wp-content/uploads/2024/03/3-1.jpg)