Ingredients 8 min read

What Is Niacinamide? The Multi-Benefit Ingredient Explained

By Stellar Healthcare Editorial Team

What Is Niacinamide?

Niacinamide is the amide form of niacin (Vitamin B3) — a water-soluble B vitamin essential for cellular energy metabolism. In topical skincare, niacinamide functions through multiple mechanisms simultaneously, making it one of the most versatile and evidence-backed ingredients in modern dermatology.

Unlike single-action actives (a retinoid targets cell turnover; a benzoyl peroxide targets bacteria), niacinamide addresses five distinct skin concerns at the same time through separate biochemical pathways. This makes it suitable as a foundational serum for almost every skin type and condition.


The Proven Benefits of Niacinamide

1. Sebum Control and Pore Minimising

Niacinamide inhibits sebum secretion from sebaceous glands by regulating lipid synthesis pathways (specifically the reduction of fatty acid and ceramide production in sebocytes). Clinical studies at 5% niacinamide concentration demonstrate a significant reduction in sebum excretion rate after 4 weeks of twice-daily application.

Reduced sebum production means:

  • Less clogging of follicular openings
  • Smaller visible pore diameter (pores appear enlarged when stretched by excess sebum and keratin)
  • Reduced shine throughout the day

Who benefits most: Oily and acne-prone skin types; T-zone oiliness in combination skin.

2. Reducing Post-Inflammatory Hyperpigmentation (PIH)

Niacinamide inhibits the transfer of melanosomes (melanin-containing organelles) from melanocytes to surrounding keratinocytes by approximately 35–68% in clinical studies. Crucially, it does NOT inhibit melanin synthesis itself (as kojic acid or arbutin do) — it prevents already-formed melanin from transferring to skin cells, reducing visible pigmentation.

This mechanism makes niacinamide particularly effective for:

  • Dark marks left by acne (PIH) — the most common hyperpigmentation concern in South Asian skin
  • Uneven skin tone
  • Solar lentigines (sun spots) with long-term use

3. Strengthening the Skin Barrier

Niacinamide stimulates the production of ceramides (skin barrier lipids) and filaggrin (a structural protein essential for epidermal cohesion). A stronger skin barrier means:

  • Reduced transepidermal water loss (TEWL) — less dry skin
  • Greater resistance to irritants and allergens
  • Improved skin hydration and suppleness
  • Reduced skin sensitivity over time

This barrier-strengthening effect makes niacinamide complementary to ceramide-rich moisturisers like Ceraedge Cream.

4. Anti-Inflammatory and Redness Reduction

Niacinamide reduces the production of pro-inflammatory cytokines and decreases the activity of immune cells in the skin. This results in:

  • Visible reduction in facial redness and blotchiness (particularly in rosacea-prone skin)
  • Reduction in inflammatory acne lesion count over time
  • Soothing effect for sensitised or irritated skin

5. Antioxidant Protection (NADPH / NAD Pathway)

Niacinamide is a precursor to NAD and NADPH — coenzymes involved in cellular antioxidant defence. Topical niacinamide supports the skin's ability to neutralise reactive oxygen species (ROS) generated by UV exposure and pollution, helping to prevent photoaging.


How to Use Niacinamide in Your Routine

Niacinamide is simple to incorporate into any routine:

Where in the routine: Apply after cleansing, before moisturiser. If layering with other serums, apply niacinamide first (or second after a lighter hydrating toner).

Morning or evening: Both. Niacinamide is photostable — it does not degrade in UV light — making it safe and effective morning and evening.

With sunscreen: Niacinamide works synergistically with daily SPF 50. Its antioxidant properties add extra protection against UV-induced pigmentation beyond what sunscreen alone provides.

How much: 2–3 drops or a half-pump for the full face. A pea-sized amount is adequate for facial application.

Niafine Serum by Aurelderma

Niafine Serum is Stellar Healthcare's niacinamide serum formulation from Aurelderma's portfolio. It delivers concentrated niacinamide in a lightweight, non-sticky serum base suitable for all skin types — including oily, combination, sensitive, and post-acne-prone skin.

Use Niafine Serum in combination with:


Niacinamide vs Other Popular Actives

ActivePrimary ActionSkin TypesUse With Niacinamide?
NiacinamideMulti-action (sebum, PIH, barrier, inflammation)All types
Vitamin CAntioxidant, tyrosinase inhibitionNormal–oilyYes (separate or together)
RetinolCell turnover, collagenAll but very sensitiveYes (use separately AM/PM)
AHA (glycolic/lactic)Chemical exfoliationNormal–oilyYes (use separately AM/PM)
Hyaluronic acidHydrationAll typesYes, same routine
Salicylic acidPore-clearing, anti-acneOily/acne-proneYes, niacinamide after SA

Is Niacinamide Suitable for Sensitive Skin?

Yes. Niacinamide is one of the few actives recommended specifically for sensitive skin. At standard concentrations (5–10%), it is:

  • Non-irritating for the vast majority of skin types
  • Free of the photosensitisation risk associated with retinoids and AHAs
  • Compatible with eczema-prone skin (and may help improve the skin barrier in atopic dermatitis)
  • Safe during pregnancy (a significant advantage over many actives, though always confirm with your doctor)

Rarely, some individuals experience mild flushing at very high concentrations (above 10%) due to niacin conversion. This is transient and does not occur with well-formulated serums at standard concentrations.


Summary

Niacinamide is arguably the best all-round starter active for any skin routine. It simultaneously controls sebum, fades dark marks, strengthens the barrier, reduces inflammation, and supports antioxidant defence — all while being gentle enough for daily use on all skin types.

Niafine Serum from Aurelderma is available through Stellar Healthcare in Nepal. Contact us via WhatsApp at +977 9766453795 or browse our full product range.

Related reading:

Frequently Asked Questions

What concentration of niacinamide is most effective? +

Clinical studies show significant benefits at 4–10% niacinamide. The 5% concentration is well-studied for brightening and sebum control. At 10%, pore-minimising effects are more pronounced. Above 10%, additional irritation risk exists with minimal additional benefit for most people. Niafine Serum from Aurelderma uses an optimally balanced concentration for daily use.

Can I use niacinamide with vitamin C? +

Yes — the old concern that niacinamide and vitamin C 'cancel out' is not supported by modern evidence. At room temperature and in well-formulated products, they can be used together. You can apply niacinamide serum first, let it absorb, then apply vitamin C. Alternatively, use vitamin C in the morning and niacinamide in the evening. Both can be used in the same routine without concern.

Can I use niacinamide every day? +

Yes. Niacinamide is one of the most gentle and well-tolerated skincare actives available. It can be used morning and evening without the irritation risk associated with retinol, AHAs, or BHAs. It is suitable for all skin types including sensitive and acne-prone skin.

How long does niacinamide take to show results? +

Sebum control and skin texture improvements typically appear within 4–8 weeks. Pore minimising and redness reduction are noticeable within 8–12 weeks of consistent daily use. Pigmentation fading (dark spots, PIH) takes 8–16 weeks. Results depend on concentration and consistent application.

References

  1. 1. Journal of Cosmetic Dermatology — Niacinamide mechanisms review
  2. 2. International Journal of Dermatology — Topical niacinamide for acne and PIH
  3. 3. American Academy of Dermatology — Vitamin B3 in skincare

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