Ingredient pairing
Can you mix GHK-Cu and Vitamin B3?
Fine togetherThey're fine together.
These two actually work well together, and are often formulated side by side.
Routine: You can use these together, morning or night.
Skip if: very sensitive in high
Which one goes first?
Either order works
- 1Cleanse
- 2GHK-Cu + Vitamin B3
- 3Moisturize
GHK-Cu 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 GHK-Cu and Vitamin B3 to your routine
- 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.
For your skin type Sensitive skin should ease in gently: Vitamin B3 can be mildly irritating on its own, and more so alongside another active.
Choosing between them instead? GHK-Cu vs Vitamin B3 →
Also worth checking
More pairings with GHK-Cu
More pairings with Vitamin B3
GHK-Cu and Vitamin B3, answered
Can you mix GHK-Cu and Vitamin B3?
They're fine together. These two actually work well together, and are often formulated side by side.
Should you use GHK-Cu and Vitamin B3 in the morning or at night?
Either. GHK-Cu and Vitamin B3 are fine to use together, morning or night.
How should you introduce GHK-Cu 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 GHK-Cu?
Nothing else clashes badly with GHK-Cu. 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.