Index / Medik8 / Medicate Crystal Retinal 3
Medik8

Medicate Crystal Retinal 3.

Medik8
Medicate Crystal Retinal 3
Retinoids

About this product

A gentle retinoid eye serum formulated with 0.03% retinaldehyde designed to address fine lines, wrinkles, dark circles, and puffiness around the eye area.

Best for

Mature skin
Retinoids

The Guru Index verdict

90%

Approved

Approved · 90%
2Reviewers
2Approved
0Mixed
0Skip

What the gurus are saying

Gurus consistently praise this as an effective yet tolerable retinoid for sensitive eye zones, particularly those who cannot use tretinoin. The repeated wins are visible smoothing of fine lines and crow's feet, gentle tolerance with proper introduction, and utility for milia-prone skin. The yellow tone of retinaldehyde is noted as an unexpected benefit for neutralizing purple-toned dark circles. Both reviewers emphasize starting low-frequency and building tolerance, marking this as genuinely gentle without sacrificing results.
Synthesized from 2 expert reviews
Every take, in full

What the gurus are saying.

Every take we've logged from this product's reviews across YouTube. Click any row to watch the moment they said it.

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Approved
"This is the Medik8 Medicate Crystal Retinal 3, a great option for retinal that works under the eye in a super gentle way. My eye area is very sensitive and I couldn't use tretinoin around it, but this allows me to. It's one of the best anti-aging serums for the eye I've ever found. It works beautifully well under the eye to minimize crow's feet and is super hydrating. Retinal is more gentle and less irritating than tretinoin, so I'll use this under the eye."
Top Pick: anti-aging eye serum
Approved
"It just plumps out the fine lines, gets rid of any kind of crinkles, but also I find that that yellow color from the retinal really seems to work to neutralize the darkness under my eyes because my darkness is more of the purpley bruisy kind of anemic kind. I've not experienced the sensitivity since I started using this, but I was definitely careful with phasing this in when I first started using it, so I would use it twice a week at first and I work my way up to using this every night. Because it is the eye area, it doesn't hurt to start out with the Crystal Retinal 3 that uses 0.03% retinaldehyde, and it's really gentle. Over a 12-week period, tests have shown this to have quite a significant effect on reducing the appearance of fine lines, wrinkles, puffiness, just overall youthfulness as well as dark circles. I also love that this has no scent to it. One of my favorite treatments for anyone who has milia around their eyes or is just very milia prone or if you have that patchy flaky skin, this is an eye cream that I will always rotate back to. It has been such a gamechanging eye cream. It is really gentle but then effective as well."
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