Niacinamide: A Powerhouse Ingredient for Healthy, Glowing Skin
Discover why niacinamide is a skincare favourite! Learn how this versatile ingredient supports skin barrier health, minimises pores, and enhances your natural glow.

Dr Amara Johnson
Dermatologist

What is Niacinamide?
Niacinamide, also known as vitamin B3 or nicotinamide, is a water-soluble vitamin that has become a staple in skincare routines worldwide. This powerhouse ingredient works harmoniously with your skin's natural substances to deliver a range of benefits—from supporting skin barrier function to refining pore appearance and improving overall texture.
Whether you're dealing with post-acne marks, uneven texture, or simply want to maintain healthy, radiant skin, niacinamide is an ingredient worth knowing about. Let's explore why this versatile vitamin deserves a place in your skincare routine.
The Universal Benefits of Niacinamide
Strengthening Your Skin Barrier
One of niacinamide's most celebrated benefits is its ability to support and strengthen the skin barrier. Your skin barrier is your first line of defence against environmental stressors, pollution, and moisture loss. When it's compromised, skin can become dry, irritated, and more susceptible to damage.
Niacinamide helps by:
- Boosting ceramide production, which are the lipids that hold your skin cells together
- Reducing transepidermal water loss, helping your skin retain moisture
- Supporting the skin's natural protective function
For those with melanin-rich skin, a strong skin barrier is particularly important as it helps maintain that beautiful, healthy glow that comes from well-hydrated, protected skin.
Refining Pore Appearance
If enlarged pores are a concern for you, niacinamide can help. This ingredient helps regulate sebum production, which in turn helps keep pores clear and minimises their appearance over time. Unlike harsh treatments that can strip the skin, niacinamide works gently to balance oil production without causing dryness or irritation.
Addressing Hyperpigmentation and Uneven Texture
Niacinamide is excellent for addressing hyperpigmentation caused by:
- Acne scars and post-inflammatory marks
- Sun damage
- Environmental stressors
It works by helping to regulate melanin transfer within the skin, which can help fade dark spots and marks over time. This makes it particularly useful for addressing those stubborn post-acne marks that can linger long after a blemish has healed.
Supporting Overall Skin Health
Beyond these targeted benefits, niacinamide supports overall skin health by:
- Helping to smooth fine lines and improve skin texture
- Providing antioxidant protection against environmental damage
- Calming redness and irritation
- Supporting collagen production for firmer, more resilient skin
How to Incorporate Niacinamide into Your Routine
Choosing the Right Product
Niacinamide is available in many forms, making it easy to incorporate into your existing routine:
- Serums: These typically contain higher concentrations (5-10%) and deliver the ingredient directly to your skin. Look for serums that combine niacinamide with hydrating ingredients like hyaluronic acid.
- Moisturisers: A great option if you want the benefits without adding another step to your routine.
- Toners: Perfect for layering and can be a gentle introduction to the ingredient.
Application Tips
For best results:
- Start with clean skin: Apply niacinamide after cleansing and toning
- Layer correctly: Use water-based niacinamide products before heavier creams and oils
- Be consistent: Like most skincare ingredients, niacinamide works best with regular use
- Use morning and evening: It's gentle enough for twice-daily application
What to Pair It With
Niacinamide plays well with most skincare ingredients:
- Hyaluronic acid: Boosts hydration alongside niacinamide's barrier-strengthening benefits
- Retinol: Niacinamide can help soothe any irritation from retinol use
- Vitamin C: Despite old advice to the contrary, modern formulations allow these to be used together
- SPF: Always a must, especially when addressing hyperpigmentation
Tips for Melanin-Rich Skin
While niacinamide benefits all skin types, there are some particular considerations for those with melanin-rich skin:
Addressing Post-Inflammatory Hyperpigmentation
Melanin-rich skin can be more prone to post-inflammatory hyperpigmentation (PIH)—those dark marks left behind after acne, irritation, or injury. Niacinamide is excellent for addressing PIH because it works gently without causing further irritation or sensitivity.
Supporting Natural Radiance
Rather than altering your natural skin tone, niacinamide helps enhance your skin's natural radiance by:
- Keeping skin well-hydrated and plump
- Smoothing texture for better light reflection
- Addressing dullness caused by dead skin cell buildup
Gentle Yet Effective
For melanin-rich skin, which can sometimes be more reactive to harsh ingredients, niacinamide offers a gentle yet effective option. It's well-tolerated by most skin types and doesn't cause the irritation or sensitivity that some other active ingredients might.
Common Questions About Niacinamide
How long before I see results?
Most people notice improvements in skin texture and hydration within 2-4 weeks. For concerns like hyperpigmentation or pore refinement, allow 8-12 weeks of consistent use to see significant changes.
Can I use niacinamide if I have sensitive skin?
Yes! Niacinamide is generally very well-tolerated, even by sensitive skin types. However, if you're new to the ingredient, start with a lower concentration (around 5%) and build up gradually.
What concentration should I use?
For most people, 5% niacinamide is effective and well-tolerated. Higher concentrations (10%) can be used for more targeted concerns, but aren't necessarily better for everyone.
Final Thoughts
Niacinamide truly is a versatile, effective ingredient that deserves its place in modern skincare. Whether you're looking to strengthen your skin barrier, refine pores, address post-acne marks, or simply maintain healthy, radiant skin, this vitamin B3 derivative offers something for everyone.
At Auntie Marlene's, we believe in celebrating and caring for all skin types. Niacinamide is one of those ingredients that works beautifully across the board, helping to enhance your natural beauty rather than change it.
Ready to explore niacinamide products? Browse our skincare collection to find the perfect addition to your routine. And as always, if you have questions about what might work best for your skin, our team is here to help.

About Dr Amara Johnson
Dr Amara Johnson is a board-certified dermatologist specialising in skincare for melanin-rich skin. She combines clinical expertise with a passion for helping people achieve healthy, glowing skin.