Niacinamide: Helpful or Overused?

At some point, many skincare routines stop improving the skin and start overwhelming it.

Usually without people realizing it.

A niacinamide serum gets added because everyone recommends it.

Then your moisturizer contains it too.

Then your sunscreen.

Then your sleeping mask.

Then suddenly, your routine is built around the same ingredient repeated five different ways.

And your skin still looks tired.

This is where most people get it wrong.

They assume they need another product.

Often, they need fewer overlapping ones.

The Starting Point

A reader recently told me:

“I’m using more skincare than ever, but my skin somehow looks less healthy.”

 

That sentence explains modern skincare perfectly.

Especially for women over 40.

Because this stage of skin behaves differently.

Products that once worked easily may suddenly feel:

• heavier
• more irritating
• less effective
• harder to tolerate consistently

At the same time, skincare has become louder.

More launches.

More ingredients.

More “must-have” products.

And somewhere in the middle of all that, routines became increasingly repetitive.

Niacinamide is one of the clearest examples.

To be clear, it became popular for good reason.

It’s genuinely useful.

It can help support:

• barrier function
• hydration retention
• uneven tone
• redness
• texture
• overall resilience

That’s a strong ingredient profile.

Especially for skin that’s becoming:

• drier
• more reactive
• less predictable

The issue is not niacinamide itself.

The issue is how many routines now contain it in almost every step.

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The Insight

This is where routines often become harder for skin to tolerate consistently.

Not because one product is necessarily bad.

Because the overall routine becomes redundant.

Many people are layering:

• a niacinamide serum
• a niacinamide moisturizer
• a niacinamide toner
• a niacinamide sunscreen

all in the same routine.

And while niacinamide is generally well tolerated, over-layering active ingredients can make skin feel increasingly stressed over time.

Especially when combined with:

• exfoliating acids
• retinoids
• vitamin C
• aggressive cleansing

The signs are usually subtle at first.

Skin may start looking:

• flatter
• tighter
• duller
• slightly reactive
• inconsistent day to day

Nothing looks severely irritated.

But the skin no longer looks balanced either.

This is one reason many women feel frustrated by skincare now.

They’re putting in more effort than ever while getting less predictable results.

And honestly, the industry contributes to this confusion.

Because skincare marketing rewards accumulation.

But skin often responds better to consistency than excess.

At this stage, your skin usually needs:

• stronger barrier support
• better hydration retention
• less irritation
• fewer competing actives

Not more overlapping products.

The goal isn’t building the biggest routine.

It’s building one your skin can maintain comfortably over time.

The Approach

If I were simplifying this routine, this is where I would focus.

1. Keep niacinamide in one leave-on product

Usually, that’s enough.

If your moisturizer already contains niacinamide, you likely do not need:

• a separate serum
• an additional toner
• another treatment layered on top

This is where editing becomes more important than adding.

2. Stop chasing higher percentages

More concentration does not automatically create better results.

For many people, moderate formulations are easier to tolerate consistently.

Especially when the skin barrier is already stressed.

At this stage, consistency matters more than intensity.

3. Look at the routine as a whole

This matters more than focusing on one “hero” ingredient.

For example:

A balanced routine usually looks like:

• gentle cleanser
• one treatment serum
• barrier-supportive moisturizer
• daily sunscreen

Not:

• multiple exfoliants
• several active serums
• overlapping treatment layers

Many routines improve simply from removing redundancy.

4. Pay attention to how your skin behaves by evening

This is often where overload becomes visible.

If your skin regularly feels:

• tight
• irritated
• dehydrated
• shiny but dull
• uncomfortable by late afternoon

your routine may be asking too much from your barrier.

That’s usually the point where I would simplify first before adding anything new.

💎 The Glow

I still think niacinamide earns its place.

But selectively.

Not everything deserves a permanent spot in your routine simply because it became popular online.

And honestly, this is one of the biggest shifts that happens with skincare after 40.

You stop asking: “What’s trending?”

And start asking: “What actually helps my skin stay healthy consistently?”

That question leads to much better decisions.

Because most skin does not improve from constant experimentation.

It improves from:

• consistency
• barrier support
• realistic routines
• products the skin tolerates well long term

A smaller routine that works consistently will usually outperform an overloaded one.

Every time.

Have you noticed niacinamide showing up in almost every product lately?

Reply and tell me: What’s one skincare step you’ve started reconsidering recently?

Save this newsletter for the next time your routine starts feeling overcrowded.

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Emma Lee
Founder of Just About the Glow
Your glow guide to K-beauty, skincare, and what's worth it

Disclaimer: The content provided is for informational and educational purposes only and is not intended as medical or dermatological advice. Skincare recommendations, ingredient spotlights, and product reviews reflect personal opinions and general guidance, and may not be suitable for all skin types or concerns. Always perform a patch test before introducing new products and consult a licensed dermatologist or qualified healthcare professional for personalized advice. Individual results may vary based on skin type, sensitivities, lifestyle, and consistency of use. Any links to featured products or brands may include affiliate relationships, and readers are encouraged to conduct their own research before making purchasing decisions.