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Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care vs Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml

Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care vs Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml

Q: Retinol vs retinaldehyde: which actually scores higher?

Retinaldehyde beats retinol by 17.2 points on effectiveness in our database. Across 42 retinol/retinoid products scored, the 3 retinaldehyde products average 78.3 effectiveness vs 61.1 for 31 retinol products. The two dedicated retinaldehyde products — Naturium Retinaldehyde Cream Serum 0.05% (80 effectiveness, 83 overall) and Paula's Choice CLINICAL Pro Retinaldehyde (74 effectiveness, 64 overall) — both outperform the retinol average. Medik8 Crystal Retinal 3 (81 effectiveness, 79 overall) uses retinaldehyde too, despite its name suggesting retinol. That gives us 3 retinaldehyde products total, all scoring above the retinol average on effectiveness. The caveat: 3 products is a small sample. We can't say retinaldehyde is categorically superior from this data alone. What we can say is that retinaldehyde sits one conversion step closer to retinoic acid (the active form your skin uses), and the products using it consistently score well. The gap is wide enough to take seriously, but not enough products exist yet to call it definitive.

Q: Why do most retinol products score below average?

The 31 retinol products in our database average just 61.1 on effectiveness. That means most retinol products we tested land in mediocre territory. The top performers prove retinol can work: Paula's Choice CLINICAL 1% Retinol hits 82 effectiveness (76 overall), Indeed Labs Retinol Reface reaches 80 effectiveness (75 overall), and The Ordinary Retinol 0.5% in Squalane scores 75 effectiveness (74 overall). So what separates these from the rest? Three factors. Concentration: products with clearly stated, meaningful percentages (0.5%–1%) score higher. Stability: retinol degrades with light and air exposure — packaging and formulation matter. Supporting ingredients: the top scorers pair retinol with stabilisers, squalane, or encapsulation technology that keeps the molecule intact until it reaches your skin. The average retinol product fails on one or more of these. Low concentrations, poor packaging, or bare-bones formulations drag scores down. A retinol product isn't automatically effective just because the label says 'retinol.'

Side-by-side comparison of scores, ingredients, prices and real customer feedback for Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care and Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml.

Last verified: 07 Apr 2026 · Based on 24 reviews

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83.0

Quick Answer

Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care scores 83.0/100 vs Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml at 79.0/100. Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care wins on texture experience, value for money. Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml is stronger on effectiveness and ingredient quality.

How Do the Scores Compare?

Naturium Retinaldehyde Crea...

Medik8 Crystal Retinal 3 - ...

	Naturium Retinaldehyde Crea... Naturium	Medik8 Crystal Retinal 3 - ... Medik8
Overall Score	83.0	79.0
Effectiveness	80.0/100	81.0/100 Best
Ingredient Quality	82.0/100	86.0/100 Best
Skin Compatibility	83.0/100 Best	83.0/100 Best
Texture & UX	84.0/100 Best	78.0/100
Value for Money	89.0/100 Best	61.0/100
Best Price	£30.42 Amazon UK → Cheapest	£49.00 Amazon UK →
Form	N/A	N/A
Dose	N/A	N/A
Third-Party Tested	✗ No	✗ No
Reviews Analysed	11	13

Naturium Retinaldehyde Cream Ser...

Pros

✓Retinaldehyde outperforms retinol at equivalent concentrations with a single conversion step to retinoic acid
✓Sustained-release delivery system significantly reduces the dryness and peeling typical of retinoids
✓Strong user consensus on smoothing, brightening, and anti-aging results across multiple skin types
✓Lightweight cream-serum texture layers cleanly under moisturiser without heaviness

Cons

✗0.05% concentration is entry-level; experienced retinoid users may need to advance to the 0.1% variant sooner than expected
✗One reviewer notes a faint cherry scent, suggesting possible fragrance or flavouring component absent from the description — a concern for fragrance-sensitive skin
✗Full INCI list not available for independent assessment of comedogenic or sensitising co-ingredients
✗Isolated packaging quality issue reported (detached pump dispenser) — a manufacturing consistency flag

Best For

retinoid beginners transitioning from retinol sensitive skin seeking anti-aging actives fine lines and uneven skin texture dry and combination skin types budget-conscious users wanting a retinaldehyde product

Amazon UK £30.42

View full review →

Medik8 Crystal Retinal 3 - Age-D...

Pros

✓Retinaldehyde requires fewer conversion steps to retinoic acid than retinol, producing faster and more reliable results at equivalent concentrations
✓Excellent tolerability profile — multiple reviewers with sensitive skin report no irritation when phased in gradually as directed
✓Supportive co-ingredients (Hyaluronic Acid, Glycerin, Vitamin E) actively mitigate the dryness and barrier disruption typical of retinoids
✓Documented antibacterial activity against acne-causing bacteria provides a dual anti-aging and blemish-clarifying benefit

Cons

✗Premium price point makes cost-per-use high relative to retinol-based alternatives offering similar entry-level concentrations
✗Pump dispenser reported to malfunction near end of tube, requiring users to cut it open to avoid product waste
✗Retinaldehyde is unstable and degrades faster than retinol in air and light — airless packaging mitigates this but shelf life post-opening is limited
✗Visible results require 3–6 months of consistent use; several reviewers caution against unrealistic short-term expectations

Best For

Vitamin A beginners starting a retinoid routine Anti-aging concerns — fine lines, wrinkles, loss of firmness, uneven texture Sensitive or reactive skin needing a gentle, phased retinoid introduction Acne-prone skin seeking combined clarifying and anti-aging benefits

Amazon UK £49.00

View full review →

What does the data say about Naturium Retinaldehyde... vs Medik8 Crystal Retinal...?

Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care Winner 83.0/100

Naturium's Retinaldehyde Cream Serum 0.05% uses retinaldehyde — a retinoid that converts directly to retinoic acid in a single enzymatic step, making it roughly 11x more potent than an equivalent retinol concentration while remaining gentler than prescription tretinoin.

Effectiveness

Naturium Retinal..

80.0/100

Medik8 Crystal R..

81.0/100

Ingredient Quality

Naturium Retinal..

82.0/100

Medik8 Crystal R..

86.0/100

Skin Compatibility

Naturium Retinal..

83.0/100

Medik8 Crystal R..

83.0/100

Texture & UX

Naturium Retinal..

84.0/100

Medik8 Crystal R..

78.0/100

Value for Money

Naturium Retinal..

89.0/100

Medik8 Crystal R..

61.0/100

What are the key differences?

Naturium Retinaldehyde .. is best for: retinoid beginners transitioning from retinol, sensitive skin seeking anti-aging actives

Medik8 Crystal Retinal .. is best for: Vitamin A beginners starting a retinoid routine, Anti-aging concerns — fine lines, wrinkles, loss of firmness, uneven texture

Frequently Asked Questions

Which is better, Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care or Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml? ▼

Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care scores 83.0/100 overall while Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml scores 79.0/100. Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care comes out ahead, scoring higher on effectiveness (80.0 vs 81.0). Naturium Retinaldehyde Cream S is best suited for retinoid beginners transitioning from retinol and sensitive skin seeking anti-aging actives. Medik8 Crystal Retinal 3 - Age is better for Vitamin A beginners starting a retinoid routine and Anti-aging concerns — fine lines, wrinkles, loss of firmness, uneven texture.

Is Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care worth the price compared to Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml? ▼

Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care costs £30.42 while Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml is £49.00. For value, Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care scores 89.0/100 vs Medik8 Crystal Retinal 3 - Age-Defying Night Serum - Improves Wrinkles & Skin Firmness- 0.03% Retinal Strength - 11x Faster than Retinol - For New Vitamin A Users - 30ml's 61.0/100. Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Ageing & Smoothing Face & Skin Care delivers better value relative to its quality.