Niacinamide and Vitamin C: Where They Fit in a Routine

Niacinamide and vitamin C appear in many Korean skincare formulas, but their presence on a label does not tell the whole story. Concentration, the rest of the formula and your skin’s tolerance matter. Think first about the result you want and the products you already use; then choose one new serum to try.

Read the complete formula

A product named after one ingredient still contains a full formulation. The Beauty of Joseon Glow Serum pairs propolis and niacinamide. The COSRX The Vitamin C 13 Serum is a different style of treatment. Read each product page, directions and ingredient list before deciding whether it suits your routine.

Introduce one at a time

If you are new to treatment serums, keep your cleanser and moisturizer steady while testing one formula. This makes it easier to notice if a product feels comfortable. Frequency should follow the product instructions and your own tolerance; applying more is not automatically better.

Where does it go?

As a general routine order, apply a lighter serum after cleansing and before moisturizer. Follow the directions on the individual product if they differ. In the morning, finish with appropriate sunscreen. Do not rely on a serum to provide sun protection.

Avoid the ingredient pile-up

You do not need every trending active in one morning or night. If your skin becomes uncomfortable, simplify. For ongoing irritation or a skin condition, speak with a qualified professional.

Quick answers

Do I need both serums?

No. Pick the formula that fits your goal and budget. A simple routine with one optional treatment can be easier to maintain and evaluate.

Can I layer them?

Compatibility depends on the full formulas and your tolerance. Follow product directions and introduce changes gradually rather than assuming that more actives are better.

Compare the textures, price and product instructions in our serum collection before adding anything new.