14 Days Using Vitamin C + Hyaluronic Acid Hydrabright Night Moisturiser: My Review

Is dr. Eve_Ryouth 's overnight treatment worth getting? I gave it a solid test run to find out.
Updated on: June 17, 2025
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Dr. Eve_Ryouth may not enjoy the household-name status of some heritage labels, yet within skincare circles it carries a quietly impressive reputation for clever formulations that punch above their price tag. The brand’s latest jar, the rather marathon-titled Vitamin C + Hyaluronic Acid Hydrabright Night Moisturiser, aims to cement that standing with an overnight treatment that promises radiance and bounce in a single sleep cycle.

The official blurb waxes lyrical about a fusion of brightening vitamin C and thirst-quenching hyaluronic acid, wrapped in a cocooning, buttery cream meant to leave you waking up feeling positively pampered. A pea-sized dab on face, neck and neckline is all that stands between you and morning-after luminosity, or so the story goes.

I put those claims through a full two-week trial, using the cream nightly to see if it could truly earn a spot on my bedside table and justify the investment.

Disclaimer: This review is not sponsored and no compensation was received. All observations are my own, drawn from personal use, and individual results can of course vary.

What Is Vitamin C + Hyaluronic Acid Hydrabright Night Moisturiser?

Think of an overnight treatment as a leave-on product that works while you sleep, taking advantage of the skin’s natural repair window. Because you are not exposed to sun or makeup, formulas in this category are often richer and carry a higher concentration of actives than a regular day cream. You apply them after cleansing, then let them sit undisturbed for several hours, which gives ingredients the time they need to penetrate and perform.

Dr. Eve_Ryouth’s entry in this field is a 50 ml night moisturiser that blends two headline ingredients with complementary roles. Vitamin C targets dullness by helping to even tone and support collagen production, while hyaluronic acid draws water into the skin to keep it comfortably cushioned. The base includes emollients such as shea butter and argan oil to lock that moisture in, making the formula suitable for anyone looking for overnight nourishment rather than a lightweight gel feel. Usage is straightforward: smooth a pea-sized amount over face, neck and neckline each evening and leave it on until morning.

Did It Work?

In the name of science I parked my usual overnight serum in a drawer for the full fortnight, resisting the itch to reach for it even on the second night when my skin felt a touch parched. Fourteen days strikes me as a decent window to judge a moisturiser that promises quick radiance so I committed to the pea-sized application each evening after cleansing and waited for the morning verdicts.

Days 1-3 delivered what I would call instant comfort. The texture melted in without leaving a slick film yet I could still feel a soft cushion on my cheeks when I pressed them before bed. By sunrise my skin looked calm and slightly dewy though the promised “hydrabright” effect leaned more hydration than brightness at this early stage.

Midway through the trial, around day 7, I started to notice a subtle uptick in overall suppleness. Fine dehydration lines along my forehead appeared less obvious and makeup sat more evenly. However the vitamin C claim of visible glow lagged behind. Any increase in luminosity was polite rather than pronounced, something a good hydrating mask could mimic in a single use.

The final stretch, days 11-14, confirmed the pattern. My skin felt consistently moisturised with no dry patches or congestion, a win considering the richer base of shea butter and oils. The brightening side, however, plateaued. Sun spots and post-blemish shadows stayed exactly where I left them, and while I woke looking refreshed I would not say the cream vaulted me into a new level of radiance.

So did it work? Partly. If you are hunting for straightforward overnight hydration and a pleasant cocooning feel this jar delivers. If you are banking on a dramatic vitamin C-powered glow you might be underwhelmed. I enjoyed the two weeks, my skin certainly did not complain, but the results duplicated what other moisturisers in my cabinet already provide. For that reason I will finish the pot but I am unlikely to repurchase.

Main Ingredients Explained

Front and centre sit vitamin C in its pure ascorbic acid form and sodium hyaluronate, the salt of hyaluronic acid. At 0.5-1 percent concentration the vitamin C offers antioxidant protection and a gentle nudge toward collagen synthesis, yet is mild enough to avoid the tingling that higher doses sometimes trigger. Sodium hyaluronate works like a microscopic sponge, pulling water into the upper layers so skin looks plumper by morning.

The moisturising backbone relies on classic emollients: shea butter, argan oil and camellia seed oil create that rich, cushiony feel that dry or mature complexions adore. Shea butter can be mildly comedogenic, meaning it may block pores for those already prone to breakouts, while argan oil usually scores low on the same scale yet can still provoke congestion in very oily skins. If your T-zone is rebellious you might want to apply the cream more sparingly in that area.

Supporting players include ceramide 3 to shore up the skin barrier, glycerin for water retention and a trio of silicones (dimethicone, cyclopentasiloxane and cyclohexasiloxane) that give the formula its glide and help prevent overnight moisture loss. Nano-gold appears far down the list; the brand flags it as a radiance booster though the jury is still out on whether particles that tiny deliver more than cosmetic sparkle.

Preservation comes via the much-debated parabens together with phenoxyethanol and ethylhexylglycerin. Current research deems them safe within the legal limits used here, but anyone avoiding parabens on principle will want to take note. Fragrance sits at the bottom, light enough that it faded after a few minutes for me yet worth mentioning for sensitive noses.

The inclusion of beeswax (Cera Alba) and milk-derived Lactis Lipida means the formula is vegetarian friendly but not strictly vegan. As for pregnancy, none of the listed actives raise red flags at the concentrations likely present, however topical routines during pregnancy are highly individual so it is wise to run any new product past a healthcare professional first.

One final curiosity: the cream’s texture is luxuriously thick yet somehow avoids feeling suffocating, proof that thoughtful emulsifiers like glyceryl stearate citrate and isoamyl cocoate can balance richness with breathability. Overall the ingredient deck reads like a solid, moisturiser-first formula that sprinkles in brightening extras rather than leading with them.

What I Liked/Didn’t Like

After two weeks of nightly use these are the points that stood out.

What Works Well:

  • Cushiony texture feels comforting yet absorbs without leaving a greasy film
  • Pairs nicely with makeup the next day with no pilling or tackiness
  • A small amount covers face neck and neckline meaning the pot should last a while
  • Subtle fragrance fades quickly which helps keep the routine relaxing

What to Consider:

  • Brightening effect is subtle so stubborn dark spots and pigmentation may need a stronger vitamin C
  • Rich shea butter and oils could feel heavy on very oily or acne-prone complexions
  • Formula includes parabens and added fragrance which some ingredient purists prefer to avoid

My Final Thoughts

A good overnight treatment should feel like a backstage crew, doing the heavy lifting while you are blissfully unconscious. Dr. Eve_Ryouth’s Hydrabright mostly nails the comfort brief, keeping skin plush and placated till sunrise, yet the headline-grabbing glow feels more like the warm-up act than the main event. After clocking a fortnight of diligent use, plus a career’s worth of other night creams, I would slot this jar in the reliable-but-not-life-changing category. Dry to normal complexions that crave a cushy blanket of moisture will appreciate it, as will anyone who prefers their vitamin C at a whisper rather than a shout. Oil-slick and serious hyperpigmentation crowds may find it too rich or too gentle, respectively.

Scoreboard reading: 7/10. I would recommend it to a friend who is hunting for straightforward hydration and enjoys a velvety night formula, though I would also mention that they should not expect miracles on the brightening front.

If you want to widen the search, a few alternatives I have rotated through might pique your interest. Nocturnal Revive Cream by Deascal is the trusty all-rounder that manages to hydrate, firm and soothe without upsetting any skin type or wallet. Fans of a slightly more active finish could look at Advanced Night Restore by Medik8 which layers peptides and ceramides in a lighter texture, while Water Sleeping Mask by LANEIGE offers a bouncy gel option that soaks in fast yet leaves skin quenched till morning. For those who like their night cream with a touch of spa luxury, Pro-Collagen Night Cream by ELEMIS delivers a silky feel and a subtle lift, making it a pleasure to massage in before bed.

Before you slather anything new on your face, spare a patch of skin for a 24-hour test (sorry to sound like an over-protective parent). Keep in mind that the freshly-rested glow any cream gives you needs consistent use to stick around, so patience and a clean pillowcase remain your best friends.

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