Niacinamide serum primarily helps to minimize pores, improve skin tone evenness, and strengthen the skin's barrier. It can also reduce redness and inflammation, leading to a calmer and more balanced complexion.

It's generally advised to avoid directly mixing niacinamide with vitamin C (L-Ascorbic Acid). Combining them can potentially lead to instability and reduced effectiveness of both ingredients.

Yes, most skin types can tolerate daily use of niacinamide serum. Start with a low concentration and gradually increase as tolerated to avoid any potential irritation.

Niacinamide and hyaluronic acid serve different purposes. Niacinamide is best for addressing pores, redness, and skin tone, while hyaluronic acid excels at hydrating and plumping the skin, so it depends on your specific skin concern.