Side-by-side comparison

CeraVe Resurfacing Retinol Serum (Post-Blemish) vs COSRX The Retinol 0.5 Oil

Both serums contain Retinol, but each adds something the other doesn't. Here's where they overlap and where they split.

1Shared hero active
CeraVe
SerumBudgetEvening only
Post-Acne MarksRough TextureCongestion

Encapsulated retinol with licorice and niacinamide, targeted at post-acne marks and uneven texture. The CeraVe ceramide base buffers irritation — a gentle entry retinol rather than a high-strength one.

COSRX
SerumBudgetEvening only
Fine LinesRough TextureDullness

A beginner-friendly 0.5% retinol in a squalane-rich oil base with sea buckthorn. A gentle introductory retinol that buffers irritation through its oil base; build up slowly and follow with SPF in the morning.

The verdict

Which should you choose?

Both contain Retinol. CeraVe Resurfacing Retinol Serum (Post-Blemish) adds Niacinamide and Licorice Root. Pick the one whose extra matches what you're treating. CeraVe Resurfacing Retinol Serum (Post-Blemish) is the better fit for post-acne marks and congestion; COSRX The Retinol 0.5 Oil for fine lines and dullness. Both sit in the Budget price tier.

The overlap

What they share

This hero active appears in both formulas:

Retinol
The formulation

Ingredient stacks, side by side

CeraVe Resurfacing Retinol Serum (Post-Blemish) — top of the list

  • Aqua~50–80%
  • Glycerin~5–25%
  • Dimethicone~3–10%
  • Niacinamide~2–6%
  • Caprylic/Capric…~1.5–4%

COSRX The Retinol 0.5 Oil — top of the list

  • Caprylic/Capric…~30–70%
  • Squalane~5–25%
  • Helianthus Annu…~3–10%
  • Retinol~2–6%
  • Hippophae Rhamn…~1.5–4%
  • Tocopherol~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

CeraVe Resurfacing Retinol Serum (Post-Blemish)COSRX The Retinol 0.5 Oil
CategorySerumSerum
Price tierBudgetBudget
Best forPost-Acne Marks, Rough Texture, CongestionFine Lines, Rough Texture, Dullness
Usage notesEvening onlyEvening only
Shared hero activesRetinol
Questions

Common questions

Is the CeraVe Resurfacing Retinol Serum (Post-Blemish) or the COSRX The Retinol 0.5 Oil better?
It depends on what you're treating. Both contain Retinol; CeraVe Resurfacing Retinol Serum (Post-Blemish) adds Niacinamide and Licorice Root.
What's the difference between the CeraVe Resurfacing Retinol Serum (Post-Blemish) and the COSRX The Retinol 0.5 Oil?
CeraVe Resurfacing Retinol Serum (Post-Blemish)'s hero actives are Retinol, Niacinamide and Licorice Root. COSRX The Retinol 0.5 Oil's are Retinol, Squalane and Sea Buckthorn.
Are the CeraVe Resurfacing Retinol Serum (Post-Blemish) and COSRX The Retinol 0.5 Oil dupes for each other?
Partly. They share Retinol, but CeraVe Resurfacing Retinol Serum (Post-Blemish)'s Niacinamide and Licorice Root aren't in the other, so they aren't full substitutes.
Can I use the CeraVe Resurfacing Retinol Serum (Post-Blemish) and COSRX The Retinol 0.5 Oil together?
There's no benefit to using two retinoids at once, and it raises the risk of irritation. Pick one.
Keep comparing

Related comparisons

Want a deeper, personalised read? Drop both products into the live comparison tool for an ingredient-by-ingredient breakdown tuned to your skin profile.

Compare these yourself →