Side-by-side comparison

CeraVe Skin Renewing Vitamin C Serum (10% Pure) vs The Inkey List Polyglutamic Acid Serum

Both are serums. They share a 66% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

66%Active overlap
CeraVe
Skin Renewing Vitamin C Serum (10% Pure)
SerumBudgetMorning only
DullnessDark SpotsPhotoaging Prevention

A 10% pure L-ascorbic acid serum on the CeraVe ceramide base with hyaluronic acid. An affordable, barrier-friendly vitamin C; pure ascorbic means it's potent but less stable than derivative forms, so store it cool and dark.

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The Inkey List
Polyglutamic Acid Serum
SerumBudgetMorning or evening
DehydrationDullnessDryness

A hydration serum using polyglutamic acid, which holds even more water than hyaluronic acid, layered with HA. A lightweight, plumping hydrator that works well over or under HA; an affordable way to trial the ingredient.

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The verdict

Which should you choose?

Both sit in the Budget tier, so cost isn't the deciding factor here — choose on texture, finish and the supporting ingredients. On how you'd use them, the CeraVe is flagged Morning only while the The Inkey List is flagged Morning or evening. The CeraVe leans toward Dark Spots, Photoaging Prevention. The The Inkey List leans toward Dehydration, Dryness.

The overlap

What they share

At 66% active overlap, these are the ingredients doing comparable work in both formulas:

Hyaluronic Acid
The formulation

Ingredient stacks, side by side

CeraVe — top of the list

  • Aqua~50–80%
  • Ascorbic Acid~5–25%
  • Glycerin~3–10%
  • Propylene Glycol~2–6%
  • Ceramide NP~1.5–4%

The Inkey List — top of the list

  • Aqua~50–80%
  • Glycerin~5–25%
  • Polyglutamic Ac…~3–10%
  • Sodium Hyaluron…~2–6%
  • Propanediol~1.5–4%
  • Panthenol~1–2%

● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.

At a glance

The specs

CeraVeThe Inkey List
CategorySerumSerum
Price tierBudgetBudget
Best forDullness, Dark Spots, Photoaging PreventionDehydration, Dullness, Dryness
Usage notesMorning onlyMorning or evening
Active overlap66% — Hyaluronic Acid
Questions

Common questions

Is the CeraVe Skin Renewing Vitamin C Serum (10% Pure) or the The Inkey List Polyglutamic Acid Serum better?
Neither is clearly better — they overlap 66% on active ingredients and sit in the same price tier. The difference comes down to texture, finish and the supporting ingredients, so the right choice depends on your skin type and preferences.
What's the difference between the CeraVe Skin Renewing Vitamin C Serum (10% Pure) and the The Inkey List Polyglutamic Acid Serum?
Both are serums that share Hyaluronic Acid. Where they differ: the CeraVe is Morning only; the The Inkey List is Morning or evening; the CeraVe targets Dark Spots, Photoaging Prevention; the The Inkey List targets Dehydration, Dryness.
Are the CeraVe Skin Renewing Vitamin C Serum (10% Pure) and The Inkey List Polyglutamic Acid Serum dupes for each other?
They share 66% active-ingredient overlap based on published INCI lists, so one can stand in for the other on the actives that matter — chiefly Hyaluronic Acid. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the CeraVe Skin Renewing Vitamin C Serum (10% Pure) and The Inkey List Polyglutamic Acid Serum together?
They both fill the serum slot in a routine, so you'd normally pick one rather than layer both. If you want to use both, treat one as your daytime option and the other for evening, and patch-test when introducing anything new.
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66% overlap

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