Niacinamide for Oily & Acne-Prone Skin: Benefits, How to Use & What to Expect
If you've been exploring skincare for oily or acne-prone skin, you've probably come across niacinamide. It's one of the most well-researched, versatile ingredients in modern skincare — and for good reason. Whether you're dealing with enlarged pores, excess sebum, post-acne marks, or a dull complexion, niacinamide quietly addresses all of it without irritating your skin.
Here's everything you need to know about this powerhouse ingredient.
What Is Niacinamide?
Niacinamide is a form of Vitamin B3 — a water-soluble vitamin that your skin can't produce on its own. When applied topically, it works at the cellular level to strengthen the skin barrier, regulate oil production, and reduce inflammation. It's suitable for all skin types, but it's especially transformative for oily and acne-prone skin.
Key Benefits of Niacinamide
1. Controls Excess Oil (Sebum)
Oily skin isn't just a cosmetic concern — excess sebum can clog pores and trigger breakouts. Niacinamide helps regulate how much oil your sebaceous glands produce, leading to a visibly matte, balanced complexion over time.
2. Minimises the Appearance of Pores
Enlarged pores are often caused by excess oil and loss of skin elasticity. By keeping sebum in check and improving skin texture, niacinamide makes pores appear smaller and less noticeable.
3. Fades Post-Acne Marks (PIH)
Post-inflammatory hyperpigmentation — those stubborn dark spots left behind after a breakout — can linger for months. Niacinamide inhibits the transfer of melanin to the skin's surface, gradually lightening these marks and evening out skin tone.
4. Reduces Redness & Inflammation
Acne-prone skin is often reactive and inflamed. Niacinamide has proven anti-inflammatory properties that calm redness, reduce the appearance of active breakouts, and soothe irritated skin.
5. Strengthens the Skin Barrier
A compromised skin barrier is a root cause of many skin issues — sensitivity, dehydration, and even more breakouts. Niacinamide boosts the production of ceramides and other lipids that keep your barrier intact, helping skin retain moisture and stay resilient.
6. Brightens Overall Complexion
Beyond targeting dark spots, niacinamide improves overall radiance by reducing dullness and uneven texture — giving skin a healthy, lit-from-within glow.
How to Use Niacinamide in Your Routine
Niacinamide is one of the easiest actives to incorporate because it plays well with almost every other ingredient. Here's a simple routine for oily and acne-prone skin:
- Cleanse: Start with a gentle, non-stripping face wash. Our La Dél Face Wash is formulated to remove impurities without disrupting your skin's natural moisture balance — the perfect first step before applying actives.
- Apply Niacinamide Serum: On clean, slightly damp skin, apply a few drops of your niacinamide serum. Our La Dél Niacinamide Serum is designed for daily use and absorbs quickly without leaving a greasy residue.
- Moisturise: Follow with a lightweight, non-comedogenic moisturiser to lock in hydration.
- SPF (AM only): Always finish your morning routine with a broad-spectrum sunscreen — especially important when using brightening actives like niacinamide.
Tip: Niacinamide can be used both morning and evening. Start with once daily if you have sensitive skin, then build up to twice daily as your skin adjusts.
Can You Use Niacinamide with Other Actives?
Yes — and that's one of its biggest advantages. Niacinamide is compatible with:
- Salicylic Acid: A powerful combination for acne-prone skin. Salicylic acid exfoliates inside the pore while niacinamide calms inflammation and fades marks.
- Hyaluronic Acid: Pairs beautifully for hydration — niacinamide regulates oil while hyaluronic acid draws moisture into the skin.
- Vitamin C: Both are brightening agents. Use Vitamin C in the morning and niacinamide in the evening if you're new to combining them.
- Retinol: Niacinamide can help buffer the irritation sometimes caused by retinol, making it a great pairing for anti-ageing routines.
What Results Can You Expect & When?
Niacinamide is not an overnight fix — but it is a consistent one. Here's a general timeline:
- Week 1–2: Skin feels more balanced; oiliness may reduce slightly.
- Week 3–4: Redness and inflammation visibly calm down; texture begins to improve.
- Week 6–8: Pores appear smaller; post-acne marks start to fade.
- Week 10–12: Significant improvement in overall tone, brightness, and skin clarity.
Consistency is key. Use it daily and give it at least 8–12 weeks before evaluating results.
Who Should Use Niacinamide?
Niacinamide is suitable for virtually everyone, but it's especially beneficial if you:
- Have oily or combination skin
- Struggle with acne or frequent breakouts
- Have visible pores or uneven texture
- Deal with post-acne dark spots or hyperpigmentation
- Have sensitive skin that reacts to stronger actives
Ready to Start?
If you're looking to add niacinamide to your routine, our La Dél Niacinamide Serum is a great place to begin. Pair it with our La Dél Face Wash for a clean, balanced base — and let the results speak for themselves.
Skincare is a journey, not a sprint. Give your skin the consistency it deserves.


