
Niacinamide continues to be one of the most recommended skincare ingredients for oily and acne-prone skin in 2026. Known for helping control excess oil, minimize the appearance of pores, and support the skin barrier, niacinamide is often found in dermatologist-recommended serums designed for acne-prone skin.
If you struggle with oily skin, post-acne marks, or frequent breakouts, adding a niacinamide serum to your skincare routine may help improve overall skin texture while reducing irritation caused by stronger acne treatments.
Why Niacinamide Is Good for Oily Skin
Niacinamide, also known as Vitamin B3, offers several skincare benefits:
- helps regulate sebum production
- supports the skin barrier
- reduces redness from acne
- improves uneven skin tone
- pairs well with salicylic acid and hyaluronic acid
Many dermatologists recommend niacinamide because it is generally gentle enough for beginners and sensitive skin types.
Related guides:
- Best Serum for Acne-Prone Skin
- Best Moisturizer for Acne-Prone Skin
- Salicylic Acid for Acne-Prone Skin

1. The Ordinary Niacinamide 10% + Zinc 1%
One of the most popular niacinamide serums for oily skin, this affordable formula is widely used to help reduce excess shine and improve visible pores.
Best for:
- oily skin
- acne-prone skin
- beginners
2. La Roche-Posay Niacinamide Serum
This lightweight serum combines niacinamide with hydrating ingredients to help calm irritated skin while improving texture.
Best for:
- sensitive acne-prone skin
- redness
- compromised skin barrier

How to Use Niacinamide Serum
For most people, niacinamide serums can be used:
- morning
- evening
- after cleansing
- before moisturizer
Always apply sunscreen during the day, especially when combining niacinamide with active ingredients like retinol or exfoliating acids.
Related:
Final Thoughts
The best niacinamide serums for oily and acne-prone skin can help support healthier-looking skin without feeling heavy or greasy. In 2026, lightweight and barrier-friendly formulas continue to dominate skincare trends for acne care.
More product comparisons and dermatologist-recommended picks will be added to this guide soon.