Ingredient pairing

Can you mix Pentylene Glycol and Niacinamide?

Same answer whichever way you searched it: Niacinamide and Pentylene Glycol.

Fine togetherThey're fine together.

Pentylene GlycolNiacinamide

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

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

Pentylene GlycolDecent support
Hydration6
Efficacy5
Barrier4
NiacinamideWorth paying for
Efficacy9
Barrier9
Acne8

Skip if: very sensitive in high

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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.

Which one goes first?

Apply Niacinamide first

  1. 1Cleanse
  2. 2Niacinamide
  3. 3Pentylene Glycol
  4. 4Moisturize

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

Pentylene Glycol 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 Niacinamide first.
The short version, if you want to keep it.

Adding Pentylene Glycol 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. On the upside, Pentylene Glycol leans hydrating or soothing, which helps buffer the rest.

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Pentylene Glycol and Niacinamide, answered

Can you mix Pentylene Glycol and Niacinamide?

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

Should you use Pentylene Glycol and Niacinamide in the morning or at night?

Either. Pentylene Glycol and Niacinamide are fine to use together, morning or night.

How should you introduce Pentylene Glycol 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 Pentylene Glycol?

Nothing else clashes badly with Pentylene Glycol. 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, andhere is when to see a dermatologist instead.