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Medik8 Crystal Retinal 3 Serum Comparison - July 2025
| 1 Best Choice  9.7Exceptional | 2  9.6Exceptional | 3  9.5Excellent | 4  9.3Excellent | 5 Best Value  9.2Excellent |
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ModelMedik8 Liquid Peptides - Regenerating Multi Peptide Serum - Smooths Wrinkles and Fine Lines - Hydrating, Brightening, Plumping - 1.0 oz | Model Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Aging & Smoothing Face & Skin Care, 1.7 oz | Model Medik8 Crystal Retinal 3 - Brightening, Firming, Advanced Skin Retinaldehyde Serum - Smooths Wrinkles - Hyaluronic Acid, Glycerin, Vitamin E - 1 oz | Model Medik8 C-Tetra - Brightening, Balancing, Plumping Daily Vitamin C Face Serum - Firms and Smooths Fine Lines and Wrinkles - With Squalane - 1.0 oz | Model MEDITHERAPY Retinal Skin Booster Serum 5.07 fl. oz - 100ppm Retinal Ideal for Beginner & Sensitive Skin - Advanced Retinol Serum for Face - Retinaldehyde Facial Serum for Uneven Skin Tone & Fine Lines |
BrandMedik8 | Brand Naturium | Brand Medik8 | Brand Medik8 | Brand MEDITHERAPY |
Reviews | Reviews | Reviews  | Reviews | Reviews - |
Tech Specs | ||||
product dimensions1.57 x 2.01 x 4.53 inches 0.32 ounces | product dimensions 1.4 x 1.4 x 6.5 inches 1.7 ounces | product dimensions 2 x 1.3 x 5.5 inches 0.63 ounces | product dimensions 2 x 1.3 x 4.5 inches 3.2 ounces | product dimensions - |
Available On  | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.7
1Medik8Medik8 Liquid Peptides - Regenerating Multi Peptide Serum - Smooths Wrinkles and Fine Lines - Hydrating, Brightening, Plumping - 1.0 oz
Main highlights- REPLENISHING YOUR NATURAL GLOW. Achieve a smooth skin finish with this lightweight, tightening serum. Liquid Peptides is formulated with a 30 percent blend of essential multi-peptides, which work to revive the elasticity and bounce of mature skin.
- REPAIR AND RENEW. Preserve and replenish your skin’s moisture while visibly smoothing texture. This regenerative, concentrated, crystal-clear peptide serum is designed to target signs of skin aging, like fine lines, dullness, and wrinkles.
- RAPID HEALING HYDRATION HYDRATION. Skin will drink up this deep hydrating serum that sinks effortlessly into skin, infusing the complexion with moisture that works alongside peptides to smooth skin texture, reduce discoloration, and boost vibrance.
- INNOVATIVE PEPTIDE TECHNOLOGY. This powerful serum of vital peptides works to deliver an ageless complexion, softening the appearance of fine lines and wrinkles on the face. Skin is left visibly smooth and supple, with improved firmness overall.
- CUTTING-EDGE SKINCARE TECHNOLOGIES. Medik8 pioneers cutting-edge skincare technologies, with products are designed by our in-house formulation scientists and researchers dedicated to delivering the most well-researched, skin-healing results.
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9.6
2Naturium
Naturium Retinaldehyde Cream Serum 0.05%, Advanced Anti-Aging & Smoothing Face & Skin Care, 1.7 oz
Why we love it
Reduces fine lines and wrinkles.
Suitable for sensitive skin types.
Gentle with minimal irritation.
Main highlights- SKINCARE THAT WORKS: At Naturium, we are committed to providing affordable skincare essentials that use only ingredients directly benefiting the skin’s health, which support the integrity and effectiveness of our formulations
- RESULTS-DRIVEN FORMULA: Formulated with sustained-release retinaldehyde, this potent next-gen retinol directly converts to the strongest form of retinol. Added biofermented oligopeptide actively refines skin texture and enhances radiance for optimal results
- PROUDLY FORMULATED: All of our products are formulated to be pH level appropriate, Vegan, Cruelty Free, Paraben Free, Gluten Free, Skin Compatible, & Dermatologist Tested. Most of our skincare is Synthetic Fragrance Free
- MOST SKIN TYPES: Perfect for sensitive, dry, aging, and combination skin, though a patch test prior to use is advised. Apply even layer of 2-3 pumps to face, neck, and chest, avoid eye area, follow with moisturizer. Can be used up to 3x per week at night
- ANTI-AGING & SMOOTH: Our results-driven serum visibly addresses the look of fine lines and wrinkles, uneven tone and texture. For a more potent experience, use our 0.10% advanced cream serum
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9.5
3Medik8
Medik8 Crystal Retinal 3 - Brightening, Firming, Advanced Skin Retinaldehyde Serum - Smooths Wrinkles - Hyaluronic Acid, Glycerin, Vitamin E - 1 oz
Why we love it
Reinvents Vitamin A Skincare
11x faster results than Retinol
Customizable strength levels
Main highlights- SMOOTH SKIN, SIMPLIFIED. The star of this serum is Retinaldehyde, the classic form of Vitamin A that works to deliver rapid anti-aging results up to 11x faster than Retinol. With Retinal, renewing and resurfacing radiant skin streamlined and simple.
- RENEW AND REVIVE. Discover pure, youthful skin with Medik8 Crystal Retinal, a one-of-a-kind serum that reinvents Vitamin A Skincare. Formulated with Retinaldehyde, Hyaluronic Acid, Glycerin, and Vitamin E to boost hydration and smooth fine lines.
- CUTTING-EDGE SKINCARE TECHNOLOGIES. Medik8 pioneers cutting-edge skincare technologies, with products are designed by our in-house formulation scientists and researchers dedicated to delivering the most well-researched, skin-healing results.
- CHOOSE YOUR SKIN-SMOOTHING STRENGTH. The Crystal Retinal Serum is available in a series of progressive strengths, from sensitive skin Vitamin A beginners to Retinaldehyde pros, allowing you to slowly acclimate to the wrinkle-reducing treatment.
- BEGINNER FRIENDLY RETINOID. Start with Crystal Retinal 3 if you have never used a retinoid before. Formulated with 0.03% retinaldehyde.
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Features
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Popularity
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Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
