Ingredient pairing

Can you mix Ethyl Ascorbic Acid and Vitamin B3?

Fine togetherThey're fine together.

Ethyl Ascorbic AcidVitamin B3

Good news, and a myth worth retiring: niacinamide and vitamin C are fine together. The old warning that they cancel out came from lab conditions that do not reflect how modern products are made.

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

Ethyl Ascorbic AcidSolid and proven
Brightening8
Efficacy7
Anti-aging6

Skip if: very sensitive, compromised barrier

Vitamin B3Worth paying for
Efficacy9
Barrier9
Acne8

Skip if: very sensitive in high

Which one goes first?

Either order works

  1. 1Cleanse
  2. 2Ethyl Ascorbic Acid + Vitamin B3
  3. 3Moisturize

Ethyl Ascorbic Acid and Vitamin B3 sit at about the same step, so the order is not critical. As a rule of thumb, apply the thinner, more watery one first, then the richer one over it.

Adding Ethyl Ascorbic Acid and Vitamin B3 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: Ethyl Ascorbic Acid and Vitamin B3 can be mildly irritating on their own, and more so alongside another active.

This is a myth worth retiring. See it, and nine more, in the myths post →

Choosing between them instead? Ethyl Ascorbic Acid vs Vitamin B3 →

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Ethyl Ascorbic Acid and Vitamin B3, answered

Can you mix Ethyl Ascorbic Acid and Vitamin B3?

They're fine together. Good news, and a myth worth retiring: niacinamide and vitamin C are fine together. The old warning that they cancel out came from lab conditions that do not reflect how modern products are made.

Should you use Ethyl Ascorbic Acid and Vitamin B3 in the morning or at night?

Either. Ethyl Ascorbic Acid and Vitamin B3 are fine to use together, morning or night.

How should you introduce Ethyl Ascorbic Acid and Vitamin B3?

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 Ethyl Ascorbic Acid?

Nothing else clashes badly with Ethyl Ascorbic Acid. It fits into most routines, though it is always wise to introduce one new product 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.