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Ingredient pairing

Can you mix Mandelic Acid and Niacinamide?

Same answer whichever way you searched it: Niacinamide and Mandelic Acid.

Fine togetherThey're fine together.

Mandelic AcidNiacinamide

These two actually work well together, and are often formulated side by side.

Routine: You can use these together, morning or night.

Mandelic AcidSolid and proven
Efficacy8
Acne7
Brightening6

Skip if: very sensitive, compromised barrier

Ask your doctor in pregnancy
NiacinamideWorth paying for
Efficacy9
Barrier9
Acne8

Skip if: very sensitive in high

Building the section…

They're fine together.

These two actually work well together, and are often formulated side by side.

You can use these together, morning or night.

Written by Maya FaourHow we score →

Which one goes first?

Apply Mandelic Acid first

  1. 1Cleanse
  2. 2Mandelic Acid
  3. 3Niacinamide
  4. 4Moisturize

On freshly cleansed skin, Mandelic Acid goes on first, then Niacinamide over it. The rule of thumb is thinner and lower-pH first, richer last.

Mandelic Acid and Niacinamide: Fine together. They're fine together. These two actually work well together, and are often formulated side by side. Which goes first: Apply Mandelic Acid first.
The short version, if you want to keep it.

Adding Mandelic Acid and Niacinamide to your routine

  1. Good news first: these two get along, so there is no special order or waiting period to manage.
  2. Still add them one at a time, a week or two apart, so if your skin does react you know which one to look at.

For your skin type Sensitive skin should ease in gently: Niacinamide can be mildly irritating on its own, and more so alongside another active.

Using a third ingredient? Check all three →Or decode a whole product label →
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Mandelic Acid and Niacinamide, answered

Can you mix Mandelic Acid and Niacinamide?

They're fine together. These two actually work well together, and are often formulated side by side.

Should you use Mandelic Acid and Niacinamide in the morning or at night?

Either. Mandelic Acid and Niacinamide are fine to use together, morning or night.

How should you introduce Mandelic Acid and Niacinamide?

Good news first: these two get along, so there is no special order or waiting period to manage. Still add them one at a time, a week or two apart, so if your skin does react you know which one to look at.

What else should you not mix with Mandelic Acid?

Mandelic Acid is best kept apart from Retinol, Retinal, Hydroxypinacolone Retinoate, Retinyl Palmitate. Introduce any new active one at a time.

Sources

Plus how we reach every verdict: how we score →

General guidance, not medical advice. When in doubt, introduce one product at a time, andhere is when to see a dermatologist instead.