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Everything You Need to Know About Niacinamide
There’s always a lot of buzz about different ingredients in the skincare world and one of them that’s hot right now is Niacinamide. It’s really no surprise because it has tonnes of different benefits, but many of us still aren’t 100% sure what it can do for our skin or the best ways to use it.
We’re here to spill the need-to-know details on everyone’s favourite skincare active and why it’s worth adding to your routine...

What is Niacinamide?
Niacinamide is a form of Vitamin B3, one of the essential nutrients we need to keep us (and our skin) healthy.
What is Niacinamide good for?
The Simple truth
Niacinamide (Vitamin B3) is a multi-purpose skincare active that can support skin barrier function, even skin tone and so much more. Our Booster Serum has been created for sensitive skin, so everyone can enjoy its amazing skin benefits.
You wouldn’t think one ingredient could do so many different things… but there’s a seemingly endless list of Niacinamide benefits to talk about.
Covering virtually every skin goal you can imagine, this multi-tasking vitamin with anti-inflammatory properties soothes and strengthens your skin barrier, enhances moisture and boosts hydration.
It reduces oiliness, diminishes the appearance of enlarged pores and promotes a more even skin tone. Not to mention helping protect skin from environmental aggressors.
Some key Niacinamide skin benefits include:
- Supporting your skin barrier
- Making fine lines look less noticeable
- Promoting clearer-looking skin
- Minimising enlarged pores
- Brightening and making your skin tone more even
- Reducing the appearance of dark spots
- Regulating oil production
- Helping to protect against environmental aggressors
Can all skin types use Niacinamide?
Unlike some other actives that have a reputation for sometimes causing irritation to skin, Niacinamide is often touted as being a non-problematic ingredient. Given that it has so many skin benefits, pretty much everyone has something to gain from using it.
Plus, when you choose our Niacinamide Booster Serum you know it’s been developed with sensitive skin in mind and dermatologically tested - perfect if you’ve been a bit hesitant to try before.
So, whether you have dry skin or you’re on the oily skin spectrum, Niacinamide is an ingredient all skin types can benefit from.

What’s the best way to add Niacinamide to your skincare routine?
As Niacinamide is such an in-demand ingredient right now, you’ve probably noticed it popping up in the ingredients lists of all kinds of different skincare products – think everything from cleansers to face masks.
We generally opt to use a leave-on skincare product like a Niacinamide serum, so that it sinks into the skin. Plus, serums often have a higher concentration of the ingredient, which boosts its effectiveness.
When to use Niacinamide serum
One of the countless things we love about Niacinamide is that you can use it every day.
We’d recommend consistently using it in both your morning and evening routines daily to start to see results. But that patience will be rewarded, trust us.
One thing to consider, though, is what other products you’re using along with your Niacinamide serum.
Is there anything you should avoid mixing with Niacinamide?
Overall, Niacinamide can be used alongside virtually any other ingredient (yes, even retinol) and doing so can help enhance the other active’s properties. Let’s talk about the one combination we'd recommend not using....
Niacinamide and AHA/BHA
It’s best to avoid using Niacinamide at the same time as acidic actives like Alpha Hydroxy Acids (AHAs) and Beta Hydroxy Acids (BHAs). That’s because using them together can cause a chemical reaction, leading to irritated skin and reducing their performance overall.
That’s not to say you can’t use both actives as part of your overall skincare routine, just ideally not straight after each other. So, try to use them on alternate days or ensure you leave plenty of time between applying each one.
Is Niacinamide better than Hyaluronic Acid?
The good news is you don’t have to pick just one. In fact, using Niacinamide alongside Hyaluronic Acid in a product like our 3% Hyaluronic Acid + Vitamin B5 Booster Serum can boost the power of each skincare ingredient.
Layer on your Hyaluronic Acid serum first to replenish the skin’s hydration levels, then follow with your Niacinamide Serum to support your skin’s barrier.

How to use Niacinamide serum
One of the best things about our Niacinamide serum is just how easy it is to use. All you need to do is...
Step 1
After cleansing, take our 10% Vitamin B3 Niacinamide Booster Serum and shake well. Apply 2-3 drops and smooth onto the skin.
Remember, you can use it after our 3% Hyaluronic Acid + Vitamin B5 Booster Serum for even better results.
Step 2
Follow with your favourite moisturiser. If you’re using this during the daytime, try to choose a moisturiser with SPF in the formula - you can skip the sunscreen in your evening routine.
Five reasons to choose our Niacinamide serum
Now you know more about Niacinamide skin benefits, here are five things that might just tempt you to try our 10% Vitamin B3 Niacinamide Booster Serum.
- Whether you have dry skin, oily skin or anything in between, our 10% Vitamin B3 Niacinamide Booster Serum is suitable for all skin types – including sensitive skin.
- It has a lightweight, non-greasy and non-sticky formula. It absorbs quickly, getting to work on your skin. That means you don’t have to wait to apply the next step in your routine and you can mix or layer this serum easily.
- It’s blended with 1% Vitamin B5 and skin-nourishing ingredients to help hydrate, leaving skin feeling soft and smooth.
- Like all Simple products, our 10% Vitamin B3 Niacinamide Booster Serum is dermatologically tested, contains no harsh chemicals and is free from alcohol, mineral oils, artificial colour and perfume.
- This serum is vegan, cruelty free and approved by PETA. It’s blended with 88% naturally derived ingredients and the formula is 100% biodegradable.
Ready to start using Niacinamide?
Great, you can find out more about our 10% Vitamin B3 Niacinamide Booster Serum here .
Tried our serum recently and loving the results already? Let us know over on our social channels.
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