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Cosmia Bio Serum ecl… vs The Ordinary Buffet — Which Is Better? | Gracie

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/Cosmia Bio Serum eclat a la vitamine c
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Cosmia Bio Serum eclat a la vitamine c vs The Ordinary Buffet

Head to head

Cosmia Bio

Serum eclat a la vitamine c

serum

7.2

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Ingredients

Niacinamide
Retinol
Hyaluronic Acid
Salicylic Acid

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Honest skincare intel. No jargon, no gatekeeping — just the ingredients decoded.

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The Ordinary

Buffet

serumbudget

8.8

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Score comparison

The Ordinary Buffet takes this one, winning 2 of 5 attributes.

Cosmia Bio wins 0

Tied 3

The Ordinary wins 2

7.2Cosmia Bio

+1.6vs

8.8The Ordinary

Attribute battle

Hydration Efficacy

The Ordinary WINS

6.0

8.7

Cosmia Bio

The Ordinary

Irritation Risk

TIE

9.5

Cosmia Bio

The Ordinary

Active Ingredient Strength

The Ordinary WINS

3.2

8.4

Cosmia Bio

The Ordinary

Ingredient Transparency

TIE

8.5

Cosmia Bio

The Ordinary

Formulation Safety

TIE

9.0

Cosmia Bio

The Ordinary

Ingredient face-off

10% overlap

32Cosmia Bio

5Shared

48The Ordinary

Only in Cosmia Bio Serum eclat a la vitamine c

27 unique

Caprylic/Capric Triglyceride Propanediol Potassium Citrate Ascorbyl Glucoside Hydrogenated Ethylhexyl Olivate Gluconolactone Polyglycerin-3 Citrus Aurantium Dulcis (Orange) Fruit Extract Aloe Barbadensis Leaf Juice Powder Sodium Stearoyl Glutamate+17 more

Shared ingredients

5 in common

Aqua (Water)Glycerin Xanthan Gum Sodium Benzoate Citric Acid

Only in The Ordinary Buffet

43 unique

Acetyl Hexapeptide-8 Pentapeptide-18 Palmitoyl Tripeptide-1 Palmitoyl Tetrapeptide-7 Dipeptide Diaminobutyroyl Benzylamide Diacetate Sodium Hyaluronate Crosspolymer Sodium Hyaluronate Allantoin Glycine Alanine+33 more

Why The Ordinary Buffet comes out ahead

Where The Ordinary Buffet really shines is active ingredient strength, scoring 8.4 compared to Cosmia Bio Serum eclat a la vitamine c's 3.2. Its formula features Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, and Allantoin in high positions, signalling meaningful concentrations.

Hydration Efficacy is another area of separation. The Ordinary Buffet scores 8.7 here versus 6.0 for Cosmia Bio Serum eclat a la vitamine c. That difference comes down to how each formula is built — the ingredient list tells the story.

The Ordinary Buffet brings Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, and Allantoin as actives, while cosmia Bio Serum eclat a la vitamine c relies on Ascorbyl Glucoside, Citrus Aurantium Dulcis (Orange) Fruit Extract, and Tocopherol. Both approaches have merit, but the positioning and supporting ingredients make the difference.

Best for your skin type

Cosmia Bio Serum eclat a la vitamine c is better if you have

Sensitive skin — the low-irritation formula keeps things gentle
Anyone who prefers clean, well-vetted formulations

The Ordinary Buffet is better if you have

Sensitive skin — the low-irritation formula keeps things gentle
Dry or dehydrated skin that craves moisture, thanks to Glycerin
Targeting specific concerns like aging or uneven tone — Palmitoyl Tripeptide-1 does the heavy lifting

Value comparison

The Ordinary Buffet comes in at budget pricing with a 8.8 score, which is solid value at that tier.

Our verdict

✶ Our verdict

+1.6 lead

The Ordinary Buffet wins this comparison with a meaningfully stronger ingredient profile and overall score.

7.2Cosmia Bio

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8.8The Ordinary

Frequently asked questions

Which is better: Cosmia Bio Serum eclat a la vitamine c or The Ordinary Buffet?

Based on ingredient analysis, The Ordinary Buffet scores higher overall. See the full score breakdown above for details on each attribute.

Do Cosmia Bio Serum eclat a la vitamine c and The Ordinary Buffet share ingredients?

Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.

What's the main difference between Cosmia Bio Serum eclat a la vitamine c and The Ordinary Buffet?

The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.

Full analysis: Cosmia Bio Serum eclat a la vitamine c→Full analysis: The Ordinary Buffet→

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