Ingredient comparison
GHK-Cu vs THD Ascorbate: which one is right for your skin?
Short answer: Honestly, either one works. Choose by your skin type and what your routine already has.
| Compared | GHK-Cu | THD Ascorbate |
|---|---|---|
| Potency | Similar | Similar |
| Evidence | moderate evidence | moderate 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% | usually effective at 5-30% |
So which should you pick?
Choose GHK-Cu if
- you would rather it just work, without depending on the product being at the right pH
Choose THD Ascorbate 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 toneTHD Ascorbate
- Fine lines and firmnessEither
Based on their scores in the knowledge base. "Either" means both hold their own for that goal.
No known clash between these two. If you want both, you can layer them; introduce one at a time.
Check these two in the tool →Or decode a whole product label →GHK-Cu vs THD Ascorbate, answered
Which is stronger, GHK-Cu or THD Ascorbate?
They are close in strength: GHK-Cu and THD Ascorbate score similarly on efficacy. Choose by skin type rather than power.
Is GHK-Cu or THD Ascorbate 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 THD Ascorbate together?
There is no known clash between them. You can layer them if you like, just introduce one at a time.
General guidance, not medical advice. Read the full pages on GHK-Cu and THD Ascorbate.