Which comes first, kojic acid or niacinamide?

Author: Prof. Chloe Wuckert MD  |  Last update: Friday, September 19, 2025

By applying niacinamide before kojic acid, you ensure your skin absorbs all its yummy goodness, laying a strong base for the kojic acid to work its magic. Remember, though, everyone's skin is unique and what works for some may not work for others.

What should I apply first, niacinamide or kojic acid?

Consider applying kojic acid and niacinamide at different times of the day to exploit both their varied skincare benefits. When you want to use both products together, you should apply the lighter serum before the heavier one.

Should you use niacinamide before or after acid?

As a rule, it's usually best to apply your acid product first, then niacinamide. In some cases, the order may also depend on the product textures.

How to layer kojic acid?

By applying vitamin C first, you're setting the stage with a powerful antioxidant shield, priming your skin for what's next. Then, when you layer kojic acid on top, you're not just adding another ingredient; you're enhancing the performance, allowing each act to complement the other without stealing the show.

How to layer tranexamic acid with niacinamide?

Layering Tranexamic Acid and Niacinamide

However, it is most common to find tranexamic acid in serum form, which can be used immediately before niacinamide. In the morning, use tranexamic acid and niacinamide before sunscreen; at nighttime, layer it under your preferred retinoids/retinol.

KOJIC ACID for Hyperpigmentation - Best Dark Spot Treatment

What order do you put niacinamide acid in?

Niacinamide and hyaluronic acid can make a powerful pair. If you're using a facial serum like our CeraVe Hydrating Hyaluronic Acid Serum, layer the serum directly onto clean skin before applying your niacinamide product in the next layer.

What should not mix with kojic acid?

High Concentrations of AHAs/BHAs: The Acid Overload

Now, let's talk about AHAs (Alpha Hydroxy Acids) and BHAs (Beta Hydroxy Acids). They're fantastic for exfoliation and clearing up your skin, but here's the kicker: when you mix them with kojic acid in high concentrations, it's like a bad acid trip… literally.

What should I apply after kojic acid serum?

Serum: Apply your kojic acid serum. If you're using other serums (like hyaluronic acid or Vitamin C), apply kojic acid after those, as it's best to layer your products from thinnest to thickest. Moisturize: Follow up with a nourishing moisturizer to seal in the benefits of kojic acid and keep your skin hydrated.

What does kojic acid pair well with?

Other active ingredients: While kojic acid works well on its own, its effects are even better when paired with other brightening agents, such as niacinamide and azelaic acid. Product type: Kojic acid needs time to absorb into skin in order to work, so it should be in a product you leave on versus one you rinse off.

What order do you apply niacinamide?

It's suitable for all skin types and fits easily into your existing skincare routine. As for when to use niacinamide serum, we typically recommend applying products in order of consistency. That means your serum should come after toner, but before richer lotions or creams.

What not to use after niacinamide?

Mistake 2: Pairing Niacinamide With Incompatible Ingredients

While Niacinamide pairs well with most active ingredients, layering it with an unstable form of Vitamin C or acids like AHAs, BHAs may lead to flare-ups – especially for people with sensitive skin.

What to layer after niacinamide?

You can (and should) consider layering niacinamide and retinol in the same routine, especially if you have sensitive skin. Retinol is a well-known ingredient that helps reduce the appearance of fine lines, wrinkles and other signs of aging.

Which serum is best with kojic acid?

La Roche-Posay Glycolic B5 Serum with Kojic Acid

Not only does it boast the most Amazon reviews, but this kojic acid skincare product relies on some impressive ingredients to give you cover-shot-worthy skin minus Photoshop.

What order to layer serums?

For optimal results, we recommend incorporating serums into your skincare routine in the following order:
  1. Step 1: Cleanser.
  2. Step 2: Toner.
  3. Step 3: Pre-Serum or Essence.
  4. Step 4: Active Serum.
  5. Step 5: Moisturiser.
  6. Step 6: Sun Protection.

What goes first Vitamin C or kojic acid?

“When pairing them, vitamin C should always go first, as it absorbs quickly and works best on clean skin,' says Dr Sonavane. “Then apply kojic acid on top to boost the brightening effects.” This also helps protect the skin barrier.

Can I layer niacinamide with kojic acid?

Niacinamide. This superhero skincare ingredient beautifully complements kojic acid's brightening properties. It also protects the skin against environmental damage, soothes irritation, boosts collagen production, and regulates oil production so you can cover all of your skincare bases!

Can I use 2% kojic acid every day?

Is kojic acid safe to use everyday? Yes, kojic acid is safe to use everyday. Depending on your skin's sensitivity, it can be used twice a day. Just remember, don't use kojic acid more than 3 months at a time because that can be damaging to your skin.

Which is best, kojic acid or niacinamide?

If you're dealing with significant pigmentation issues and you dont have sensitive skin, Kojic acid may be the solution for you. Conversely, if you have sensitive skin and are looking for a gentler option that treats multiple concerns like hydration and inflammation, Niacinamide is your best bet.

Which serums cannot be used together?

Skincare ingredients not to mix
  • Retinoids or retinol and benzoyl peroxide. ...
  • Retinoids or retinol and vitamin C. ...
  • Retinoids or retinol and salicylic acid. ...
  • Retinoid or retinol and AHAs/BHAs. ...
  • Vitamin C and AHAs/BHAs. ...
  • Vitamin C and benzoyl peroxide. ...
  • Niacinamide and AHAs / BHAs. ...
  • Benzoyl peroxide and hydroquinone.

Is it better to use kojic acid in the morning or at night?

Can I use Kojic Acid Serum in the morning? Kojic acid can make your skin more sensitive to sunlight, so it's generally recommended for use in the evening. If you choose to use it during the day, be sure to apply sunscreen with a high SPF to protect your skin.

Can kojic acid worsen hyperpigmentation?

Kojic acid soap is used to lighten dark spots on the skin caused by hyperpigmentation from acne, melasma, or sun damage. Research shows kojic acid treatments, such as topical serums, can help fade hyperpigmentation.

What goes first niacinamide or acid?

When used together, always go with applying hyaluronic acid first, followed by Niacinamide. By following this, you would be able to attract plenty of hydration first. After that, apply Niacinamide to help regulate sebum production and help with the minimization of pores.

What not to pair with niacinamide?

DON'T MIX: AHA/BHA and niacinamide

Niacinamide is used to treat hyperpigmentation and reduce fine lines and wrinkles, while alpha hydroxy acids (AHAs) and beta hydroxy acids (BHAs) are chemical exfoliants. To understand why niacinamide shouldn't be mixed with AHAs and BHAs, you need to consider pH.

What order do you put niacinamide in your routine?

First, you can use niacinamide products daily and add them to your evening and morning skincare ritual. In general, you'll want to apply niacinamide serum to a freshly washed face before using moisturizers or sunscreen. Plus, give each product time to absorb in the skin before applying another.

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