Ingredient comparison
GHK-Cu vs Phytic Acid: which one is right for your skin?
Short answer: Honestly, either one works. Choose by your skin type and what your routine already has.
7
Efficacy7
2
Hydration2
4
Barrier3
2
Brightening7
1
Acne2
7
Anti-aging3
| Compared | GHK-Cu | Phytic Acid |
|---|---|---|
| Potency | Similar | Similar |
| Evidence | moderate evidence | emerging evidence |
| Irritation risk | Low | Low |
| Clogs pores | Low | Low |
| In pregnancy | Considered safe | Considered safe |
| pH-dependent | No | Needs the right pH |
| On a label | usually effective at 0.01-0.1% | works best above 1% |
So which should you pick?
Choose GHK-Cu if
- fine lines and firmness are your main goal
- you want the pick with the most research behind it
- you would rather it just work, without depending on the product being at the right pH
Choose Phytic Acid if
- dark spots, dullness or an uneven tone are what you want to work on
The honest bottom line: Honestly, either one works. Choose by your skin type and what your routine already has.
Better for your concern
- Dark spots and uneven tonePhytic Acid
- Fine lines and firmnessGHK-Cu
Based on their scores in the knowledge base. "Either" means both hold their own for that goal.
Want to use both, not choose? See if they mix →Check these two in the tool →Or decode a whole product label →
GHK-Cu vs Phytic Acid, answered
Which is stronger, GHK-Cu or Phytic Acid?
They are close in strength: GHK-Cu and Phytic Acid score similarly on efficacy. Choose by skin type rather than power.
Is GHK-Cu or Phytic Acid better for sensitive skin?
Both carry a similar irritation risk (low). Patch test either one before using it daily.
Can you use GHK-Cu and Phytic Acid together?
They have a known interaction. See our can-you-mix page for the verdict and how to use them.
General guidance, not medical advice. Read the full pages on GHK-Cu and Phytic Acid.