Medik8 Crystal Retinal 6 - Firming, Advanced Skin Retinaldehyde Face Serum - Night Serum with Hyaluronic Acid and Vitamin E - Gluten Free - 1 oz

Visible Results Without the IrritationThis is hands down the best Vitamin A product I’ve used. Medik8 Crystal Retinal 10 delivers smoother, brighter skin with noticeably fewer fine lines—without the dryness or flaking I’ve had with other retinoids. It absorbs quickly, feels luxurious, and the results are real. If you’ve built up tolerance to retinol and want something more powerful yet gentle, this is 100% worth it.

Medik8 Crystal Retinal 3 is hands down one of the best skincare products I’ve ever used. As someone with sensitive skin, I was hesitant to try a retinal product, but this serum exceeded my expectations. It’s gentle enough for beginners while still delivering powerful results.After just a few weeks of use, my skin looks noticeably brighter and more radiant. Fine lines are less visible, and my complexion feels firmer and smoother. It’s almost like I’ve discovered a real-life filter for my face! The texture of the serum is luxurious, and it absorbs quickly without leaving any greasy residue. Plus, the soothing ingredients prevent any irritation—a huge win for my reactive skin.I also love how Medik8 incorporates retinaldehyde, a more advanced form of vitamin A, making it more effective than traditional retinols but still easy to use. My skin feels rejuvenated and refreshed every morning, and it pairs beautifully with my moisturizer.If you’re looking for a high-performance serum to elevate your skincare routine, Medik8 Crystal Retinal 3 is worth every penny. It’s perfect for anyone starting out with retinal or wanting serious results without compromising skin comfort. Highly recommend!

This stuff is GREAT. I'm thinking it is fairly powerful; however, I've never had any skin irritation. Started using on my neck recently and it is making the skin thicker.

I have rosacea but have wanted to try retinol/retinal. I tried retinol and bakuchiol in the past and my skin didn't like it. Thankfully, no issues at all with this one, and it helped even out my skin a little bit. It was very subtle but that is to be expected with a percentage this low. I have since moved up to Level 3 and when my rosacea is doing really well I can even tolerate Level 6 (but use it on top of a hyaluronic acid serum to reduce irritation). I recommend Level 1 to anyone who is hesitant but curious about retinal.

Makes me look younger, at least I think so! If nothing else, I feel younger using it. Soft on my skin and moisturizes just the right amount without irritation. These things are not cheap but this one is the best bang for the buck. I have far less wrinkles around my cheeks.

Not good. Orange color on your skin. Very janky container that breaks after 2 uses. Crazy expensive compared to other products. Disappointing.

Holy grail product that I will be re-purchasing in the next level once my current tube runs out. I absolutely love this product and my skin feels supple and amazing after using. Make sure NOT to combine with other “active” products like vitamin C or exfoliants. I use every other night in my routine, it layers beautifully, and is perfect.The only downside is it’s a bit pricey, but truly worth it in my opinion.

I tried level 1, 6, and now 10. I think my skin has improved in texture but haven't noticed any real wrinkle reduction myself. No skin irritation. Also use the medik advanced night ceremide moisturizer that was touted to be made specifically for this formula. I have decided to switch from Medika8 retinal (was going to tryout the new 24 formula) to Skinceuticals which is cheaper and highly recommended by dermatologists.