Ingredient Hub

Niacinamide

Niacinamide seed imported from the evidence registry.

Pregnancy safety
insufficient data
Sensitive skin
safe
Evidence level
medium
Ingredient Evidence

Authority sources for Niacinamide

These claims and citations explain how SkinLayer currently models Niacinamide in the ingredient knowledge base.

2Claims
2Citations

What the sources say

compatibility

Niacinamide and Ascorbic Acid do not form harmful complexes under normal cosmetic conditions, debunking older theories of mutual destruction.

PubMed PMID: 34651911

Recent evaluations demonstrate that the formation of niacinamide ascorbate complex only occurs under extreme conditions (high heat, prolonged time) not relevant to typical cosmetic layering, confirming their safety and synergistic potential in topical application.

Open source
timing guidance

DermNet says nicotinamide can improve acne through anti-inflammatory effects and reduced facial sebum, making it a useful support ingredient around acne actives.

DermNet Nicotinamide

It may improve acne by its anti-inflammatory action and by reducing sebum.

Open source

Source list

DermNet Nicotinamide
Expert Consensus

DermNet NZ

Open source
PubMed PMID: 34651911
Expert Consensus

National Library of Medicine

Open source
Common Questions

Questions about Niacinamide

What does Niacinamide usually do in a skincare routine?

Niacinamide seed imported from the evidence registry.

Which ingredients are most often checked with Niacinamide?

Users usually check Niacinamide with Vitamin C, Retinol, Zinc Oxide because those combinations often appear in acne, brightening, barrier, or anti-aging routines.

Is Niacinamide usually easy to pair with other ingredients?

Niacinamide is usually fairly flexible, but the exact answer still depends on the second ingredient and the strength of the routine.

How strong is the evidence behind SkinLayer's Niacinamide page?

Niacinamide is currently modeled with medium evidence in SkinLayer, and the page points back to the public sources and claims currently available in the knowledge base.

Does this Niacinamide ingredient page replace medical advice?

No. SkinLayer is an educational ingredient guide that organizes public references into simpler summaries. It does not diagnose skin conditions or replace a clinician.