Niacinamide (Vitamin B3) is a multitasking powerhouse that strengthens the skin barrier, regulates sebum production, and visibly reduces the appearance of enlarged pores. When comparing niacinamide serums, the formulation and supporting ingredients dictate how it performs on your unique skin.

Here is a look at two top contenders in the niacinamide space.

The Ordinary Niacinamide 10% + Zinc 1%

This cult-favorite serum is explicitly designed to tackle oily and congestion-prone skin without breaking the bank.

• Key Ingredients: 10% Niacinamide and 1% Zinc PCA.

• The Texture: A slightly viscous gel that dries down to a matte, tightening finish.

• The Benefits: The addition of Zinc PCA makes this a powerhouse for balancing excess sebum and minimizing the look of active breakouts.

• Best For: Oily, combination, and blemish-prone skin types that need heavy-duty oil control.

Paula’s Choice 10% Niacinamide Booster

This is a highly versatile, featherlight fluid that can be applied directly to the skin or mixed seamlessly into your favorite moisturizer.

• Key Ingredients: 10% Niacinamide, Acetyl Glucosamine, Allantoin, and Licorice Root Extract.

• The Texture: An ultra-lightweight, watery liquid that absorbs instantly with zero sticky residue.

• The Benefits: It is packed with soothing antioxidants that calm irritation, hydrate, and actively brighten uneven skin tone while refining texture.

• Best For: Dry, sensitive, or mature skin that requires pore refinement without any tightness or irritation.

Comparison Summary & Conclusion

If your main battles are excess shine and clogged pores, The Ordinary’s formula provides the targeted zinc boost you need. However, if your skin is sensitive or easily irritated and you want a product that blends effortlessly into your existing routine, the elegant formulation of Paula’s Choice is the superior option.