My 2 Week Review of Teami’s “Overnight Sleep Mask”

Is Teami's overnight treatment truly effective? I decided to test it for myself.
Updated on: June 18, 2025
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Teami might not dominate department store shelves yet but within ingredient savvy beauty circles its tea inspired formulas enjoy a loyal following. The brand’s knack for pairing botanicals with science made its Overnight Sleep Mask an intriguing addition to my bedside lineup.

The name alone feels like permission to be lazy: apply, sleep, glow. Teami promises a cushiony gel packed with niacinamide, hyaluronic acid, vitamin C and whimsical Butterfly Tea all meant to work with the skin’s nocturnal repair cycle so you wake up bright, hydrated and a little more youthful. It claims to suit every complexion from parched to fatigued while proudly waving the clean vegan and cruelty free banners.

Curious but cautious I swapped my usual night cream for this mask every other evening over two weeks, noting hydration levels, texture shifts and whether that elusive morning radiance actually showed up.

This is not a paid or sponsored feature. All views here are my own based on personal experience and, as always, your mileage with skincare may vary.

What Is Overnight Sleep Mask?

This gel based treatment sits in the overnight category, meaning it replaces or supplements your usual night cream then stays on while you sleep. The idea behind any overnight product is simple: skin goes into repair mode after dark so formulas designed for extended contact can deliver hydration and active ingredients when they are most likely to be absorbed.

Teami’s version positions itself as an all skin type hydrator that aims to tackle dullness, dryness and general fatigue. Its claim rests on a trio of familiar actives: niacinamide for barrier support, hyaluronic acid for water retention and vitamin C for antioxidant protection. These are blended with plant extras like butterfly pea flower and green algae, all suspended in a clear bouncy gel that is free of animal-derived ingredients and synthetic fragrance.

In practice you smooth a thin layer over clean skin, skip the rinse and let the formula form a light film that locks in moisture until morning. Because it is marketed as a mask rather than a cream, expectations lean toward a more concentrated dose of actives plus a visible glow come sunrise rather than slow burn cumulative benefits alone.

Did It Work?

In the spirit of very serious scientific inquiry I benched my trusty ceramide night cream for three whole days before starting this test run, giving my face a brief product detox so the mask could show its true colors. Fourteen nights felt like a fair window to judge performance without drifting into placebo territory.

I applied a blueberry-sized dollop every other evening on clean skin, skipping additional moisturiser as the brand suggests. The gel smoothed on cool and slippery, forming a thin slightly tacky film that dried within a minute. On the first morning my cheeks felt nicely cushioned and there was a mild sheen that read healthy rather than greasy. Nothing mind-blowing but pleasant.

Nights two through six delivered repeatable hydration. Lines created by my pillow were softer and my skin tone looked a hair more even. The niacinamide did its calming job; redness around my nose eased after the third use. The glow claim, however, hovered in the subtle category. Under bathroom light I saw softness, bounce and a bit of dew yet any suggestion of “wow you look rested” faded by mid afternoon.

Week two told a similar story. Hydration levels stayed consistent and I experienced zero congestion which is a win given the inclusion of heavier seed oils. Still the brightening promise plateaued. A couple of lingering post-blemish marks looked marginally muted but nowhere near the vitamin C serum results I get with dedicated actives. Texture-wise the mask never pilled under my satin pillowcase though it did leave a faint film that made me want to cleanse quickly in the morning.

So did it work? Partly. It absolutely quenched dryness and fortified my barrier which earns it a respectable seven out of ten. It did not deliver the lit-from-within radiance implied by the marketing and for that reason I will not be replacing my regular overnight treatment. I could see myself keeping a mini pot for travel or seasonal dryness spikes but it will stay a guest star rather than join the main cast on my bathroom shelf.

Main Ingredients Explained

Front and center is 5% niacinamide, a multitasking form of vitamin B3 that reinforces the skin barrier, tempers redness and lightly fades dark spots. Because it is water soluble it plays well with almost every other active in a routine and rarely causes irritation. After two weeks my skin welcomed the steady calming effect with zero tingling.

Sodium hyaluronate, the salt form of hyaluronic acid, shows up midway through the list but punches above its weight in texture. This smaller molecule attracts and binds water inside the epidermis so the bouncy gel finish you feel at application lingers through the night. If you live in a dry climate pair it with a humidifier or seal it under a thicker cream to avoid moisture evaporating out.

Vitamin C appears twice: as pure L-ascorbic acid and within a plant extract complex that includes ferulic acid. Concentration is likely modest which explains why the brightening plateaued for me yet it still offers antioxidant backup against pollution while you sleep.

Butterfly pea flower gives the mask its faint lavender tint along with polyphenols that may soothe free-radical stress. Think of it as a gentle botanical sidekick rather than a powerhouse active.

The oil phase leans on broccoli seed oil, squalane and a touch of shea oil to lock in hydration. All three are rich in fatty acids that mimic skin’s own lipids but shea oil carries a moderate comedogenic rating of 3 on the 0-5 scale which means it can clog pores for acne-prone users. If you notice new bumps around the chin or forehead that could be the culprit.

Everything here is plant derived or lab synthesized so the formula is fully vegan and cruelty free. Preservatives rely on phenoxyethanol with ethylhexylglycerin, both industry standards that keep the gel safe for three months once opened.

Pregnancy wise the ingredients are generally considered low risk yet essential oils like geranium and carrot seed plus high levels of niacinamide can be reactive on hormonal skin. Anyone expecting or nursing should hand the INCI list to their healthcare provider and get the green light first.

Worth a final note: the mask contains mica for a subtle pearlescent finish. While it gives an immediate cosmetic glow it can settle into fine lines by morning so rinse well if you have texture concerns.

What I Liked/Didn’t Like

Here is the quick rundown after two weeks of nightly testing.

What Works Well:

  • Instant drink of water feel that softens fine lines and cushions dehydration through the night
  • Niacinamide calms redness so skin looks more even by morning
  • Lightweight gel sets fast and never pills under silk or cotton pillowcases
  • Plant oils and squalane add a subtle velvety finish without tipping into grease territory
  • Vegan cruelty free formulation is a plus for anyone watching ingredient ethics

What to Consider:

  • Glow benefits stay subtle so brightening seekers may still want a separate vitamin C serum
  • Leaves a faint film that makes a morning cleanse feel necessary
  • Heavier seed oils can prompt congestion on very breakout prone skin and the price skews toward premium for a hydrator first formula

My Final Thoughts

The Overnight Sleep Mask proved itself a solid night-shift partner if your top priority is waking up to skin that feels hydrated and calm rather than blindingly incandescent. After a fortnight of alternating use I landed on a tidy 7/10: respectable barrier support, reliable moisture cushioning and no angry breakouts yet the vaunted next-morning glow never quite cleared the dimmer switch. In my lineup of tested hydrators it earns a comfortable middle seat.

Who will love it? Anyone with dehydrated or mildly sensitive skin that craves a weightless gel and enjoys the comfort of knowing niacinamide is working quietly while they snore. Who might shrug? Devoted brightening seekers or those battling deep hyperpigmentation; the vitamin C level here feels like more of a team mascot than a star striker. Oilier, congestion-prone users should patch test first given the shea and broccoli seed oils tucked inside the formula.

Would I recommend it to a friend? Yes, with qualifiers. I would hand it to a cabin-air-parched frequent flier or a winter-chapped office mate but I would steer my faux-sun worshipping cousin toward something punchier on the pigment front. It is good, not life changing.

If you want options, a few tried-and-loved alternatives sit ready on my shelf. Nocturnal Revive Cream by Deascal is the sensible allrounder: creamy yet never heavy, packed with peptides and ceramides at a wallet-friendly price. For serious overnight rescue the Squalane + Ectoin Overnight Rescue by BIOSSANCE cocoons skin in a velvety layer that calms irritation after one too many actives. Fans of a bouncier water-gel texture should sample LANEIGE’s iconic Water Sleeping Mask that floods skin with electrolytes and leaves zero residue. Lastly, Advanced Night Restore by Medik8 layers well over serums and leans on ceramides and antioxidants to rebuild the barrier while you binge-dream.

Before you dive face first into any new jar remember the boring but important stuff: patch test behind the ear or along the jawline for a couple of nights, keep expectations realistic and know that results stick around only as long as the product does.

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