Ingredient comparison

Matrixyl Synthe'6 vs THD Ascorbate: which one is right for your skin?

Same comparison whichever way you searched it: THD Ascorbate vs Matrixyl Synthe'6.

Short answer: THD Ascorbate does more of the heavy lifting, while Matrixyl Synthe'6 is the gentler, lighter option. Pick the one that matches your skin.

Chemical structure of Matrixyl Synthe'6 (Palmitoyl Tripeptide-38)Matrixyl Synthe'6Promising, not proven
Chemical structure of THD Ascorbate (Tetrahexyldecyl Ascorbate)THD AscorbateSolid and proven
5
Efficacy
8
0
Hydration
1
2
Barrier
3
0
Brightening
8
0
Acne
1
5
Anti-aging
7
Matrixyl Synthe'6 versus THD Ascorbate, compared
ComparedMatrixyl Synthe'6THD Ascorbate
PotencyLowerHigher
Evidenceemerging evidencemoderate evidence
Time to see it workNever measured4–8 weeks
Irritation riskLowLow
Clogs poresLowLow
In pregnancyConsidered safeConsidered safe
On a labelusually effective at 1-2%usually effective at 5-30%

So which should you pick?

Choose THD Ascorbate if

  • dark spots, dullness or an uneven tone are what you want to work on
  • fine lines and firmness are your main goal
  • you want the pick with the most research behind it

The honest bottom line: THD Ascorbate does more of the heavy lifting, while Matrixyl Synthe'6 is the gentler, lighter option. Pick the one that matches your skin.

Can you use them together?

No known interaction between these two; use either order, apply the thinner one first.

Either order works

  1. 1Cleanse
  2. 2Matrixyl Synthe'6 + THD Ascorbate
  3. 3Moisturize

Why this order →

Better for your concern

  • Dark spots and uneven toneTHD Ascorbate
  • Fine lines and firmnessTHD Ascorbate

Based on their scores in the knowledge base. "Either" means both hold their own for that goal.

From our dataNeither has to be the answer: 61 other ingredients in our glossary share a family with these two.

Matrixyl Synthe'6 vs THD Ascorbate, answered

Which is stronger, Matrixyl Synthe'6 or THD Ascorbate?

THD Ascorbate is the more potent of the two, with the higher efficacy score. Matrixyl Synthe'6 is the lighter option.

Is Matrixyl Synthe'6 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 Matrixyl Synthe'6 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 Matrixyl Synthe'6 and THD Ascorbate.