Simple’s “Water Boost Skin Quench Sleeping Cream” Reviewed – Is It Worth Buying?

Is Simple's overnight treatment worth the money? I used it myself to see.
Updated on: June 17, 2025
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Simple has long been the go to for fuss free skincare that respects sensitive complexions without skimping on efficacy. If somehow the brand has escaped your radar, think of it as that quietly reliable friend who always brings the good snacks yet never makes a scene.

Now along comes Water Boost Skin Quench Sleeping Cream, a name so abundant it feels like it has hydrated itself before even touching the jar. Simple promises that this silky lightweight night treatment will drench thirsty skin, restore glow and keep the hydration tap running from lights out to sunrise, all while staying free of perfumes and harsh additives.

To see if those claims translate beyond the press release I swapped out my usual night cream for this one and put it through a full two week test drive. I noted texture, absorption, next morning feel and any longer term changes so you can decide if it deserves a spot on your bedside table.

Disclaimer: this review is neither paid nor sponsored. All observations are my own and results can differ depending on individual skin type and routine.

What Is Water Boost Skin Quench Sleeping Cream?

Water Boost Skin Quench Sleeping Cream is an overnight moisturiser aimed at skin that feels dry or dehydrated. Simple positions it as a lightweight formula that works while you sleep to supply hydration both instantly and over time. The product sits in the overnight treatment category, which means it is meant to be applied as the last step of an evening routine and left on until morning. Overnight treatments are useful because the skin’s repair processes peak during sleep, so ingredients that attract or lock in water can be more effective when left undisturbed for several hours.

In practical terms this cream uses a blend of glycerin, plant derived humectants and mineral elements to draw moisture into the skin then keep it there. The brand also points out what it leaves out: fragrance, artificial dyes and harsh chemicals often found in richer night products. Simple says the formula targets five early signs of dehydration—dryness, roughness, tightness, dullness and fine dehydration lines—with regular use rather than promising dramatic one night results.

The cream is therefore intended for anyone whose skin feels parched by morning, especially those who prefer products that minimise potential irritants. While it can be slotted into most evening routines, its real niche is as a no fuss hydrator that works passively during the hours you are not thinking about your skin at all.

Did It Work?

In the name of rigorous skincare science I benched my usual overnight mask for three days before the trial so my face could start with a clean statistical slate. Very lab coat of me. I then applied a blueberry sized dab of Water Boost Skin Quench Sleeping Cream every night on top of a hydrating serum, skipping any occlusive oils to give the cream full responsibility for lock-in duties.

First impression: lovely slip, zero scent, speedy sink-in time. Within five minutes the finish was satin rather than slick which meant no pillowcase drama. The next morning my cheeks felt comfortably plump and there was a subtle refreshed look that made me postpone the morning mist step.

Days four to seven told a more nuanced story. My combination skin started to develop a faint midday tightness around the mouth that I do not experience with richer night creams. It was not dryness exactly, more the absence of that cushioned feel I chase after planes or cold snaps. To compensate I layered a drop of squalane on top at bedtime which brought things back to baseline.

By day fourteen the cumulative effect was clear. The cream maintained surface hydration well enough to keep flakiness and obvious dullness at bay yet it never reached the deep quench territory of thicker ceramide formulas. Fine dehydration lines around my eyes looked slightly softened but the improvement plateaued after the first week. Importantly my reactive skin stayed calm with zero redness or clogged pores which is a definite win.

So did it deliver on its promises? Mostly. It is an agreeable lightweight hydrator that suits sensitive or oil-prone users who dislike heaviness. For anyone already reliant on richer occlusives or battling pronounced dehydration it may serve better as a booster underneath something more robust. Will I slot it into my permanent rotation? Probably not, though I would happily recommend it to friends who want fuss free overnight moisture without fragrance or weight.

Main Ingredients Explained

Front and center is glycerin, the moisture magnet that pulls water into skin so it looks instantly bouncier. Partnering with it is saccharide isomerate, a plant derived humectant that bonds to keratin like a burr on a sweater, keeping hydration levels steady even after you rinse your face the next morning. Dimethicone and its crosspolymer cousins form an airy silicone net that traps all that borrowed water while giving the cream its silky feel. They are considered non-comedogenic so they sit on top of pores without blocking them, making the texture friendly for combination or sensitive complexions.

If you check ingredient lists for a living you will notice caprylic/capric triglyceride, stearic acid and cetearyl alcohol. These fatty emollients mimic skin’s own lipids and smooth rough patches but can be mildly comedogenic for skin that clogs at a dirty look. Comedogenic simply means an ingredient has potential to block pores and trigger breakouts. For most users the risk is low thanks to the formula’s lightweight ratio though acne-prone readers should patch test first.

The supporting cast includes sodium PCA and glucose for extra humectant power, tocopheryl acetate (vitamin E) for antioxidant backup and a sprinkle of minerals that help maintain barrier function. There are no added fragrances or dyes and the preservative system relies on phenoxyethanol and caprylyl glycol, both widely accepted by dermatologists for sensitive skin products.

On the lifestyle front nothing inside the jar is animal derived so vegans and vegetarians can use it without compromise. As for pregnancy safety the formula avoids retinoids and salicylic acid yet it does contain benzophenone-4, a UV filter that some expecting mothers prefer to sidestep. Because hormone levels and skin sensitivity shift during pregnancy it is best to run any new topical past a healthcare provider.

One last note for eco purists: the cream includes silicones and a synthetic polymer thickener which break down slowly in the environment. If green chemistry tops your priority list you might weigh that against the undeniable skin comfort they provide.

What I Liked/Didn’t Like

Here is the quick rundown after two weeks on my nightstand.

What Works Well:

  • Silky gel cream texture spreads easily, sinks in fast and leaves a soft satin finish that does not cling to pillowcases
  • Delivers steady overnight hydration that calms tightness for normal, combination and sensitive skin types without triggering redness or breakouts
  • Formula skips fragrance and dyes which keeps irritation risk low and makes patch testing straightforward

What to Consider:

  • Lightweight feel may not suit very dry or barrier compromised skin unless paired with an extra occlusive step
  • Hydration plateaued after the first week so results can feel modest compared with richer ceramide or peptide options in a similar price bracket
  • Contains silicones and synthetic polymers which eco focused users or those avoiding such ingredients might prefer to skip

My Final Thoughts

Two weeks in, Water Boost Skin Quench Sleeping Cream has earned a polite nod rather than a standing ovation. It keeps its fragrance free promise, layers like a dream and does just enough overnight to keep tightness at bay, which is no small feat when radiators are blazing. Yet the glow factor never quite graduated from “nicely hydrated” to “who needs highlighter,” so my final verdict lands at a solid 7/10. I would recommend it to friends with combination, normal or easily irritated skin who hate heavy night balms and love an under-the-radar formula that just gets on with the job. If your complexion is chronically parched or you rely on thick occlusives you might find yourself reaching for a booster oil after lights out.

For anyone hunting options, my own nightstand history offers a few worthy contenders. Nocturnal Revive Cream by Deascal remains the overachiever I reach for when I want one jar to do it all: cushiony texture, barrier support and a friendly price tag that makes nightly generosity painless. Fans of a gel like burst of moisture should look at LANEIGE Water Sleeping Mask which leaves skin bouncy by breakfast without a hint of grease. If gentle retinoid smoothing is on your wish list Intelligent Retinol Smoothing Night Cream by Medik8 walks the fine line between refinement and calm, while First Aid Beauty Ultra Repair Hydra-Firm Night Cream brings rich, ceramide packed comfort for seriously thirsty faces without triggering tantrums.

Choosing an overnight treatment is a bit like picking a mattress: comfort, support and personal quirks rule the game. I have tested more jars than I care to admit so feel confident that Simple’s entry holds its own in the lightweight hydration league, it just will not replace my heavyweight champions. Still, if your priorities are irritation free ingredients and fuss free moisture, this is an easy win.

Before you dive in, a quick parental reminder: patch test first, especially if your skin is the dramatic type. Keep expectations realistic, results stick around only as long as the product does and consistency is everything.

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