Head to head

Medik8 Crystal Retinal 6 vs The Ordinary Azelaic Acid Suspension 10%

Same comparison whichever way you searched it: The Ordinary Azelaic Acid Suspension 10% vs Medik8 Crystal Retinal 6.

The bottom line

Medik8 Crystal Retinal 6 and The Ordinary Azelaic Acid Suspension 10% are close on what they deliver, so it comes down to your skin: The Ordinary Azelaic Acid Suspension 10% is the kinder pick for sensitive or reactive skin since it is fragrance-free.

The Ordinary Azelaic Acid Suspension 10% keeps clear of pregnancy-flagged actives, while Medik8 Crystal Retinal 6 carries one that is best paused in pregnancy.

Medik8Crystal Retinal 6Serum · ~€86See every ingredient in Crystal Retinal 6, decoded
The OrdinaryAzelaic Acid Suspension 10%Serum · ~€23See every ingredient in Azelaic Acid Suspension 10%, decoded

Which should you pick?

Pick Crystal Retinal 6 if

  • plump, lasting hydration is what you want
  • fine lines and firmness are the goal
  • you want more actives working at once

Pick Azelaic Acid Suspension 10% if

  • you are dealing with breakouts and oiliness
  • your skin is sensitive or reacts to fragrance
  • you want the more affordable option

What each delivers

HydrationBarrierBrighteningOil-controlAnti-aging
Crystal Retinal 6Azelaic Acid Suspension 10%
  • Hydration
    102
  • Barrier repair
    77
  • Brightening / tone
    88
  • Oil-control & blemishes
    49
  • Anti-aging
    94

Side by side

Crystal Retinal 6Azelaic Acid Suspension 10%
TypeSerumSerum
Key activesGlycerin, Retinal, SqualaneAzelaic Acid, Isohexadecane, Vitamin E
TextureA rich, cushiony cream that sinks in slowly.A light, fast-absorbing texture that layers cleanly under the rest of your routine, with no greasy film.
FragranceContains fragranceNone detected
Fungal-acne safeNot likelyNot likely
PregnancyOne cautionNo flagged actives
Ingredients47 listed17 listed
Price~€86~€23

What's in one but not the other

Both share

No active in common.

Only in Azelaic Acid Suspension 10%

The molecule doing the work

Crystal Retinal 6Glycerin
Azelaic Acid Suspension 10%Azelaic Acid

Better for…

  • Dark spots & uneven toneEither works
  • Fine lines & firmnessCrystal Retinal 6
  • Breakouts & congestionAzelaic Acid Suspension 10%
  • Dryness & dehydrationCrystal Retinal 6
  • Sensitive, reactive skinAzelaic Acid Suspension 10%

The Ordinary Azelaic Acid Suspension 10% is the cheaper of the two (~€23 vs ~€86).

Ready to pick one?

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Common questions

Is Medik8 Crystal Retinal 6 or The Ordinary Azelaic Acid Suspension 10% better for fine lines & firmness?

For fine lines & firmness, Medik8 Crystal Retinal 6 is the stronger pick by our read of the two formulas. Medik8 Crystal Retinal 6 and The Ordinary Azelaic Acid Suspension 10% are close on what they deliver, so it comes down to your skin: The Ordinary Azelaic Acid Suspension 10% is the kinder pick for sensitive or reactive skin since it is fragrance-free. The Ordinary Azelaic Acid Suspension 10% keeps clear of pregnancy-flagged actives, while Medik8 Crystal Retinal 6 carries one that is best paused in pregnancy.

Which is cheaper, Medik8 Crystal Retinal 6 or The Ordinary Azelaic Acid Suspension 10%?

The Ordinary Azelaic Acid Suspension 10% is the cheaper of the two (~€23 vs ~€86).

Can I use Medik8 Crystal Retinal 6 and The Ordinary Azelaic Acid Suspension 10% together?

They are both serums, so you would normally pick one rather than layer both in the same step. You can keep both and alternate them (morning and night, or on different days) if you like variety, but you do not need two.

Compare it with…

All 28 comparisons
Chemical structure of GlycerinChemical structure of Azelaic Acid