Side-by-side comparison

Medik8 Crystal Retinal 6 vs Neutrogena Rapid Wrinkle Repair Retinol Oil

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
Medik8
Crystal Retinal 6
SerumLuxuryEvening only
Fine LinesPhotoaging PreventionRough Texture

A stabilised retinaldehyde serum (0.06%) with hyaluronic acid and vitamin E, sitting between retinol and prescription tretinoin in strength. Faster-acting than retinol with good tolerability; part of a tiered ladder you climb gradually.

Full analysis →Find dupes →
Neutrogena
Rapid Wrinkle Repair Retinol Oil
SerumBudgetEvening only
Fine LinesDullnessPhotoaging Prevention

An accessible retinol serum-oil with hyaluronic acid, long a drugstore anti-aging staple. Decent entry-level retinol for fine lines; the lightweight oil base suits normal to dry skin more than oily.

Full analysis →Find dupes →
The verdict

Which should you choose?

On price, the Neutrogena Rapid Wrinkle Repair Retinol Oil sits in the Budget tier versus Luxury for the Medik8 — so it's the more budget-led pick if the overlap is what you're after. The Medik8 leans toward Rough Texture. The Neutrogena leans toward Dullness.

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

Medik8 — top of the list

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

Neutrogena — top of the list

  • Caprylic/Capric…~30–70%
  • Dimethicone~5–25%
  • Retinol~3–10%
  • Dimethicone/Vin…~2–6%
  • Sodium Hyaluron…~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

Medik8Neutrogena
CategorySerumSerum
Price tierLuxuryBudget
Best forFine Lines, Photoaging Prevention, Rough TextureFine Lines, Dullness, Photoaging Prevention
Usage notesEvening onlyEvening only
Active overlap66% — Hyaluronic Acid
Questions

Common questions

Is the Medik8 Crystal Retinal 6 or the Neutrogena Rapid Wrinkle Repair Retinol Oil better?
Neither is universally better — they share 66% active-ingredient overlap, so for the actives that drive results they're close. The Neutrogena Rapid Wrinkle Repair Retinol Oil is the more budget-friendly option, while the other may differ on texture, finish and supporting ingredients. Pick based on your skin's priorities rather than a single 'winner'.
What's the difference between the Medik8 Crystal Retinal 6 and the Neutrogena Rapid Wrinkle Repair Retinol Oil?
Both are serums that share Hyaluronic Acid. Where they differ: they sit in different price tiers (Luxury vs Budget); the Medik8 targets Rough Texture; the Neutrogena targets Dullness.
Are the Medik8 Crystal Retinal 6 and Neutrogena Rapid Wrinkle Repair Retinol Oil 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 Medik8 Crystal Retinal 6 and Neutrogena Rapid Wrinkle Repair Retinol Oil 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.
Keep comparing

Related comparisons

Estée Lauder Advanced Night Repair Synchronized Multi-Recovery Complex vs Medik8 Crystal Retinal 6
77% overlapMedik8 Crystal Retinal 6 vs Vichy Minéral 89 Hyaluronic Acid Booster
70% overlapHaruharu Wonder Black Rice Hyaluronic Serum vs Medik8 Crystal Retinal 6
66% overlapMedik8 Crystal Retinal 6 vs The Inkey List Hyaluronic Acid Serum
66% overlapMedik8 Crystal Retinal 6 vs The Inkey List Niacinamide Serum
66% overlapNeutrogena Rapid Wrinkle Repair Retinol Oil vs The Ordinary Retinol 1% in Squalane
77% overlap

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 →