I Tried La Mer The Rejuvenating Night Cream for 7 Days, Here’s My Thoughts

Could a week with La Mer's Rejuvenating Night Cream transform everything?
Updated on: March 29, 2025

Image courtesy of La Mer

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La Mer is one of those names in the luxury skincare world that tends to pop up in people’s conversations, thanks to its signature formulas and promise of transformative results. Yet, if you haven’t heard of it, rest assured that you’re not alone, it’s far from a household name for everyone. The Rejuvenating Night Cream, according to La Mer, promises to start reversing eight visible signs of ageing in just one night, using a potent blend of its famous Miracle Broth™ and a new marine-based retinol alternative called MRA-3™.

This rich, velvety-soft cream is said to reduce lines and wrinkles, firm up the skin’s surface, and bring back that sought-after youthful bounce. It’s designed to fit seamlessly into your nightly routine, especially if you’re someone who wants to address signs of collagen loss without the usual irritation that traditional retinol products can bring.

After a full week of testing this night cream, there was a lot to observe, from texture and fragrance, to morning-after effects and longer-term improvements. Since my skin type leans toward sensitive-combination, I was particularly curious to see if The Rejuvenating Night Cream truly delivers on its claims or if it’s just another high-end jar with lofty promises.

One important note: this is not a paid or sponsored review, and all opinions here are based on my personal experience. Everyone’s skin is different, so what works for me might not be a perfect fit for you. That being said, if you’re thinking about splurging on this cream, read on to see how it performed and whether it might be worth your investment.

What Is The Rejuvenating Night Cream?

This formula is presented as a nightly moisturizer designed to address multiple signs of ageing, specifically aiming to reduce lines, wrinkles, and uneven texture. It belongs in the “night cream” category, a type of skincare product applied before bed to take advantage of the skin’s natural overnight renewal process. Night creams are generally richer in texture and include ingredients that work best when the skin is at rest, helping to hydrate, firm, and rejuvenate while you sleep.

According to the description, The Rejuvenating Night Cream uses a combination of “MRA-3™” (a marine retinol alternative) and a feature called “Miracle Broth™” to deliver noticeable benefits without the common irritation associated with traditional retinol. It claims to help reduce collagen loss, soften the appearance of wrinkles, and promote a firmer look by boosting cell turnover. As part of the brand’s broader range, this product fits into a daily anti-ageing routine for those looking to target signs of visible ageing in a gentle but targeted way.

Did It Work?

I took a mini break from my usual night cream, very scientific, I know, to give this one my full attention. For seven nights, I applied a pea-sized amount after cleansing. The first thing that caught my attention was the velvety consistency; it spread effortlessly and felt rich without leaving a greasy film. Waking up the next morning, my skin felt nicely hydrated and appeared slightly smoother around my forehead lines. That small but noticeable difference was enough to get me excited for the rest of the week.

By the midpoint, I started noticing a subtle firmness along my cheeks, and my skin seemed to maintain a healthier glow well into the afternoon. My sensitive-combination skin usually gets a bit reactive to concentrated products, but there was no dryness, redness, or stinging at all, which aligned with the product’s claim of being a gentle alternative to retinol. That said, the glow factor plateaued around day five, so it didn’t get dramatically better after that initial improvement.

By the end of seven days, there was a definite overall softness to my skin, and the texture felt more refined, like a mild blur over those fine lines. It certainly delivers on some of its promises, particularly when it comes to hydration and a modest reduction in visible lines. Nonetheless, it wasn’t so life-altering that I’d permanently swap it in for my usual routine (let’s be honest, I couldn’t afford to do that, even if I wanted to).. It definitely works, but for me, it doesn’t feel absolutely essential for the price tag.

The Rejuvenating Night Cream’s Main Ingredients Explained

This formula brings together two standout heroes: La Mer’s signature Miracle Broth™, a concentrated blend derived from nutrient-rich sea kelp, and a marine-based retinol alternative known as MRA-3™. The idea is to deliver many of the benefits you’d expect from a typical retinol (like smoothing out fine lines and encouraging new skin cell turnover), but with less chance of sensitivity or redness.

Digging into the full ingredient list reveals a range of botanical oils and butters, like Shea Butter and Jojoba Seed Oil, that give the cream its velvety consistency. These are naturally moisturizing and help reinforce the skin barrier, though Shea Butter can be mildly comedogenic for some (meaning it might clog pores and lead to breakouts if your skin is particularly prone to congestion). Still, most people find these emollients highly beneficial for reducing dryness.

Algae Extract, along with Laminaria Digitata (a type of seaweed) and other plant extracts, adds to the product’s “marine” theme. These extracts are generally recognized for their soothing and hydrating properties. There’s also a healthy dose of peptides and antioxidants like Vitamins E and C (Tocopherol, Magnesium Ascorbyl Phosphate) which aim to support a firmer, brighter complexion over time.

As for whether it’s vegan or vegetarian-friendly, the cream does rely on marine-derived ingredients like algae and sea kelp, but there’s no obvious use of animal-based products. However, it’s always wise to check with the brand directly or look for official vegan certifications if that’s a priority, since “marine” and “algae” can sometimes be open to interpretation. Another possible concern is the inclusion of fragrance and BHT (Butylated Hydroxytoluene), which can be irritants for extra-sensitive skin types. That said, I didn’t personally notice any adverse reactions during my trial.

All things considered, the carefully selected blend of humectants, emollients, peptides, and algae extracts is designed to maximize hydration and renewal with minimal irritation. If you have specific ingredient sensitivities or ethical preferences, take a moment to review the label closely, but for most people, the formulation seems to offer a beneficial balance of skin-replenishing and protective elements.

What I Liked/Didn’t Like

This cream left me with some definite impressions, and a few reservations. Here are the key points:

What I Liked:

  • Thick, comforting texture that spreads easily
  • Noticeable smoothing effect on fine lines after continued use
  • No irritation, even with its marine-based retinol alternative
  • Balanced formula packed with hydrating butters and oils

What I Didn’t Like:

  • Viciously expensive price tag puts it firmly in the luxury bracket
  • Hydration boost seemed to plateau after the first few days
  • Contains fragrance, which may not appeal to those who prefer unscented formulas

My Final Thoughts

This cream certainly showcased some of that classic La Mer mystique, luxurious texture, soothing application, and a noticeable (albeit measured) improvement in overall smoothness. Who doesn’t love unwinding at night with a product that feels like it should come packaged with a harpist and a lullaby? But let’s keep our pitchforks at bay, while the formula is undeniably comforting and did give my skin a healthier look over a week’s time, it’s still not the kind of “miracle in a jar” that will erase a lifetime of facial expressions overnight. Sometimes it’s about inching toward improvement rather than sprinting to a finish line.

In the grand scheme of all the night creams I’ve tried (and trust me, I’ve dabbled a lot), The Rejuvenating Night Cream delivers decent results that align with La Mer’s glowing reputation, but you’ll have to be prepared for the hefty price point. It’s best for anyone who wants a gentle, non-irritating approach to refining fine lines, particularly if you suspect your skin won’t play nicely with harsher retinols. It might not be the top candidate if you’re looking strictly for massive bang for your buck. For my own collection, it ranks at a 7/10, good enough that I’d recommend it to a skincare-loving friend with the appropriate budget, but not so life-changing that I’d never stray.

Finding the right night cream is often like trying on jeans: you can’t always tell until you’ve lived with it (or them) a while. I gave this product a solid fair try, and although it wasn’t a “holy grail” revelation, it did impress in terms of comfort and moderate signs of smoothing, certainly no regrets on that front.

For those looking at other great night-time options, one of my favorites is Nocturnal Revive Cream by Deascal. It’s an excellent all-rounder that ticks almost every box and still manages to price itself quite sensibly, perfect for all skin types. Another solid choice is Pro-Collagen Night Cream by ELEMIS, which I’ve used for a more spa-like feel during bedtime (it’s rich yet surprisingly light on the skin). Squalane + Ectoin Overnight Rescue by BIOSSANCE also deserves a nod for its blend of hydration and soothing properties; it’s a night cream I revisit whenever my skin feels a bit off balance. Lastly, I’ve had good luck with Confidence in Your Beauty Sleep by IT Cosmetics, which delivers on firming and plumping without feeling too heavy.

Before slathering on any new cream, bear in mind that patch tests are your friend. It’s smart to see how your skin reacts before fully committing, especially with potent, active-ingredient formulas. And, of course, remember that no product offers a permanent fountain of youth; you’ll need regular use to keep reaping benefits. The Rejuvenating Night Cream might just be a worthwhile splurge if your skincare budget allows and your skin craves a gentle but capable overnight companion.

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