Overview

The THISWORKS Deep Sleep Overnight Cleanser 100ml comes from a UK brand that built its entire identity around one idea: sleep is a skincare tool. Unlike a conventional rinse-off cleanser, this overnight cleanser is applied at bedtime, left on, and never washed off — it works while you sleep. That distinction is worth emphasizing, because many buyers expect a regular cleanser and are caught off guard. It functions more as a leave-on treatment than a traditional wash, handling both surface cleansing and light exfoliation simultaneously. The Deep Sleep fragrance — lavender, vetivert, and wild chamomile — is not incidental; it is central to the brand's identity and approach.

Features & Benefits

The active lineup here does specific, well-defined work. Oat amino acids handle exfoliation at a chemical level, loosening and dissolving dead skin cells without any scrubbing — a meaningful advantage for skin prone to redness or sensitivity. Hyaluronic acid draws and retains moisture during the overnight hours when skin is most receptive to repair. Copper PCA is the less-discussed inclusion, but it plays a real role in balancing sebum production and helping to keep pores clearer over time. Together, these three actives address texture, hydration, and oiliness in a single step. The slim 100ml tube slips into carry-on luggage without eating into your liquid allowance.

Best For

This leave-on formula suits anyone who has quietly given up on long, multi-step evening skincare routines. If several products in a fixed nightly sequence sounds unsustainable, consolidating into one step is a genuinely practical solution. It also works well for people with reactive skin who have learned that abrasive exfoliants cause more problems than they solve. Travelers benefit from the small, TSA-compliant size. For those who struggle to mentally switch off at night, the fragrance blend adds a structured wind-down cue that is worth more than it sounds. One caveat: this is not a dedicated makeup remover, and heavy coverage should come off separately before applying.

User Feedback

The pattern in responses is fairly consistent: people who stick with the Deep Sleep cleanser for several weeks notice genuine texture improvement, and the scent becomes something they look forward to at bedtime rather than simply tolerate. Those are meaningful outcomes. On the other side, users with fragrance sensitivities are the most vocal critics — the scent is prominent, and for some it is simply too much. A recurring concern is whether the formula removes enough daily buildup without rinsing; the consensus is that it handles light daily grime well but struggles with heavy coverage. Most buyers report two to three months of nightly use from one tube, which puts the cost in reasonable perspective.

Pros

  • Combines cleansing and chemical exfoliation into a single leave-on step, cutting down evening routine time significantly.
  • Oat amino acids exfoliate without physical scrubbing, making it suitable for skin that flares up with abrasive products.
  • Hyaluronic acid works overnight when skin absorption is at its most receptive, supporting real hydration rather than surface-level moisture.
  • Copper PCA helps regulate oiliness over time, giving combination and oily skin types a reason to stick with it consistently.
  • The lavender, vetivert, and wild chamomile fragrance blend creates a genuine pre-sleep ritual rather than just smelling pleasant.
  • One tube typically lasts two to three months of nightly use, making the cost per application reasonable.
  • The 100ml size is TSA-compliant and slim enough to pack without bulk.
  • Works across a wide range of skin types, including dry, oily, combination, and acne-prone.
  • Skin texture improvements are consistently reported after several weeks of regular use.
  • The leave-on format means no water, no towel, and no additional steps — especially useful for tired evenings.

Cons

  • The fragrance is strong and all-night exposure may irritate those with fragrance sensitivities or reactive skin.
  • Not effective enough as a standalone cleanser on days when heavy makeup or waterproof sunscreen is worn.
  • First-time users of leave-on cleansers may find the no-rinse format feels strange or unclean initially.
  • Results build slowly over weeks, so buyers expecting quick visible changes may lose patience early.
  • The 100ml volume feels small at the shelf price point, even if actual longevity is reasonable with careful use.
  • No fragrance-free version is available for those who want the formula without the scent.
  • Not suitable as a primary treatment for more serious skin concerns like active cystic acne or significant scarring.
  • The leave-on method means any ingredient sensitivity will be in prolonged contact with skin, increasing the chance of a reaction.
  • Those accustomed to foam or gel cleansers may find the texture adjustment takes time to accept.

Ratings

The scores below for the THISWORKS Deep Sleep Overnight Cleanser 100ml were generated by our AI system after analyzing verified buyer reviews from multiple global markets, with spam, bot-generated, and incentivized submissions actively filtered out before scoring. Each category reflects the honest spread of real user experiences — strengths and frustrations weighted equally — so you get a clear picture of where this leave-on formula genuinely delivers and where it falls short.

Cleansing Effectiveness
71%
29%
For everyday urban skin — the kind that accumulates dust, light pollution residue, and natural oils through a workday — this overnight cleanser does a credible job without any manual effort. Users who wear minimal or no makeup consistently report waking up to skin that feels cleaner and less congested than before.
The leave-on format has a real ceiling: it simply cannot compete with a rinse-off cleanser for removing heavy foundation, waterproof SPF, or eye makeup. Buyers who wear full coverage daily and expect this to handle everything in one step tend to be the most disappointed.
Skin Texture Improvement
83%
Consistent nightly use over three to four weeks produces a noticeable shift in surface texture for most users — skin feels smoother to the touch and looks less dull under morning light. The amino acid exfoliation works cumulatively, and people who commit to it daily rather than sporadically report the strongest results.
Results are slow by design, which frustrates buyers who expect rapid visible change. Those with deeper textural concerns — pitted scarring or significant post-acne marks — find the improvement too gradual or too modest to justify continued use on its own.
Hydration & Moisture Retention
79%
21%
Dry skin users are among the most positive reviewers of this leave-on formula, frequently mentioning that they wake up with skin that feels plumped and less tight than when they went to bed. The hyaluronic acid component appears to work well during overnight hours when transepidermal water loss is more easily managed.
For people in very dry climates or those with severely dehydrated skin, the hydration boost is present but not sufficient on its own. Several users note they still need a separate heavier moisturizer on top during winter months, which undercuts the single-step convenience angle.
Fragrance Experience
76%
24%
The lavender, vetivert, and chamomile blend has built a loyal following among buyers who describe it as the most pleasant part of their bedtime routine — something they genuinely look forward to. Unlike synthetic sleep sprays, it feels grounded and herbal rather than artificial, and many users say it has become a reliable wind-down trigger.
The scent is assertive, not subtle, and it stays on the skin through the night. Fragrance-sensitive users and those who share a bed with a light sleeper have flagged this as a significant drawback, and there is no unscented version available for those who want the formula without the aromatherapy element.
Skin Type Compatibility
77%
23%
The formula holds up reasonably well across oily, combination, and dry skin types, which is not always the case with leave-on overnight products. Oily skin users appreciate the Copper PCA helping to visibly reduce shine over time, while dry skin users lean on the hydration benefits — both groups find something useful here.
Acne-prone users have more mixed experiences. While the formula is not comedogenic, a subset of users with active breakouts report minor purging or irritation during the first couple of weeks, and those with highly reactive skin should patch test carefully before committing to full-face application.
Ease of Use
88%
Application takes under thirty seconds — apply, spread lightly across the face, go to sleep. There is no rinsing, no waiting for absorption, and no additional steps required, which makes it one of the lowest-friction skincare products available for a busy evening routine.
The learning curve is almost entirely psychological: new users often feel uneasy leaving something on their face without washing it off, and it takes a few nights before the habit feels settled. A small number of users also find the texture slightly sticky immediately after application.
Sebum & Oil Balance
69%
31%
Oily skin users who have used the Deep Sleep cleanser consistently for a month or more often note a gradual reduction in midday shine and fewer congested pores around the nose and chin area. The Copper PCA works slowly but the feedback suggests it does work for a meaningful proportion of oily skin users.
The oil-balancing effect is incremental and takes several weeks to become apparent, which means impatient buyers rarely stick around long enough to see it. For those with severely overactive sebaceous glands, the results are described as modest rather than transformative.
Value for Money
66%
34%
When users work out that 100ml lasts two to three months of nightly use, most arrive at a cost-per-use figure that feels reasonable for a leave-on treatment combining cleansing and active exfoliation. Buyers who replace both a nightly cleanser and a separate exfoliant with this single product see the clearest value case.
First impressions at the shelf — or on a product page — are not favorable. A 100ml tube feels small for the price to anyone who does not immediately do the math on longevity, and buyers who do not experience visible results within the first few weeks rarely feel the cost is justified.
Packaging & Design
81%
19%
The slim tube format is genuinely well-suited to the product — it fits into a toiletry bag without taking up disproportionate space, and the 100ml size clears TSA liquid limits with room to spare. Several travelers specifically mention keeping this in their carry-on as a permanent fixture.
As the tube approaches empty, squeezing the last product out becomes increasingly difficult without cutting it open, which is a minor but recurring complaint. The packaging is functional rather than premium-feeling, which some buyers at this price point find slightly underwhelming.
Scent Longevity
73%
27%
For those who use this leave-on formula specifically as a sleep aid companion, the fact that the fragrance persists throughout the night rather than fading within an hour is seen as a genuine feature. It reinforces the bedtime ritual quality that the brand intends and that loyal users genuinely value.
The same persistence that devoted users appreciate is the exact quality that makes fragrance-sensitive buyers uncomfortable. Waking up still smelling the product is pleasant for some and unsettling for others, and this response divides opinion more sharply than almost any other aspect of the formula.
Exfoliation Gentleness
86%
Users who have experienced redness or microtear damage from physical scrubs — or who have found AHA and BHA acids too aggressive at the concentrations commonly available — consistently cite this as one of the few exfoliating products that has not caused a flare-up. The amino acid approach earns particular trust from rosacea-adjacent and reactive skin users.
The trade-off for that tolerability is potency: this is a mild exfoliant by any standard, and buyers who have used prescription retinoids or higher-strength acids will find the visible exfoliation effect comparatively modest. It is the right tool for maintenance, not correction.
Ingredient Transparency
74%
26%
The three headline actives — oat amino acids, hyaluronic acid, and Copper PCA — each have a clearly defined and well-communicated role in the formula, which knowledgeable skincare buyers appreciate. The brand does not hide behind vague proprietary blend language, and the functional fragrance ingredients are named.
Some ingredient-conscious buyers have noted that the full INCI list is not always prominently displayed, requiring them to hunt for it before purchasing. The functional fragrance classification also lacks the granular botanical breakdown that fragrance-reactive consumers need to make a confident safety assessment.
Routine Integration
78%
22%
As a single-step evening product that replaces both a rinse-off cleanser and a separate exfoliant, this overnight cleanser integrates smoothly for users who are actively trying to cut down their nightly routine. People who travel frequently and cannot bring a full skincare kit find it especially practical.
For users with an established multi-step skincare routine — serums, retinoids, targeted treatments — figuring out exactly where this leave-on product fits in the layering order creates friction. Its positioning as a final step conflicts with routines that end with a dedicated moisturizer or overnight mask.

Suitable for:

The THISWORKS Deep Sleep Overnight Cleanser 100ml is a strong fit for adults who want to simplify their evening skincare without sacrificing results. If your nightly routine has quietly collapsed to nothing because it felt like too many steps, a single leave-on application before bed is a genuinely practical solution. People with reactive or easily irritated skin will appreciate that the exfoliation here comes from oat amino acids rather than abrasive particles or high-strength acids, making it approachable even on sensitive days. Those dealing with dullness, mild congestion, or the kind of uneven texture that builds up from daily pollution exposure should see gradual, real improvement with consistent use over several weeks. Travelers will also find the compact 100ml size convenient, fitting neatly into a toiletry bag without counting against liquid limits.

Not suitable for:

The THISWORKS Deep Sleep Overnight Cleanser 100ml is not the right pick for anyone with a sensitivity or allergy to fragrance ingredients, as the Deep Sleep scent blend is prominent and not a background note. If you wear heavy foundation, waterproof mascara, or SPF every day, this leave-on formula is unlikely to handle full removal on its own — a dedicated cleansing step before application would still be needed, which partially defeats the simplicity argument. Those expecting the instant, squeaky-clean feeling of a traditional rinse-off cleanser may find the leave-on format unfamiliar or uncomfortable at first. Buyers hoping for clinical-strength exfoliation to address deeper concerns like stubborn hyperpigmentation or significant acne scarring will likely need something more targeted. Finally, anyone who finds scented products disruptive to sleep rather than relaxing should steer clear, as the fragrance is present throughout the night.

Specifications

  • Volume: Each tube contains 100ml of product, enough for approximately two to three months of nightly use.
  • Product Type: Leave-on overnight facial cleanser — applied at bedtime and not rinsed off.
  • Key Actives: Formula includes Oat Amino Acids, Hyaluronic Acid, and Copper PCA as the primary functional ingredients.
  • Exfoliation Method: Chemical exfoliation via amino acids derived from oat; no physical abrasive particles or scrubbing action.
  • Fragrance Blend: Scented with the Deep Sleep functional fragrance, a blend of lavender, vetivert, and wild chamomile.
  • Skin Types: Formulated to suit oily, dry, combination, and acne-prone adult skin types.
  • Usage Timing: Intended for nighttime use only; applied as the final skincare step before sleep.
  • Dimensions: Tube measures approximately 1.85 x 1.85 x 5.94 inches, making it slim and travel-friendly.
  • Package Weight: Packaged unit weighs approximately 4.7 grams; net product weight is listed at 0.17 oz.
  • Brand Origin: Made by THISWORKS, a UK-based brand specialising in sleep-focused skincare and wellbeing products.
  • Age Range: Formulated and recommended for adult users only.
  • Scent Profile: The fragrance is described as a functional scent designed to encourage mental relaxation ahead of sleep, not purely cosmetic.
  • Copper PCA Role: Copper PCA is included to help regulate sebum production and support skin tone balance, particularly for oily skin.
  • Hyaluronic Acid Role: Hyaluronic Acid acts as a humectant, drawing moisture into the skin during overnight repair hours.
  • Category Ranking: Ranked #1,343 in Facial Cleansing Washes on Amazon at the time of listing.
  • UPC: Universal Product Code for this item is 810075041392.
  • TSA Compliance: At 100ml, the tube meets standard TSA carry-on liquid size limits for air travel.
  • Makeup Removal: Not formulated as a dedicated makeup remover; heavy or waterproof coverage should be removed separately before application.

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FAQ

Yes, that is exactly how it works. The THISWORKS Deep Sleep Overnight Cleanser 100ml is applied to the face at bedtime and left on until morning — no rinsing required. It is a fundamentally different format from a traditional wash-off cleanser, so if you are used to lathering and rinsing, the no-rinse routine takes a few nights to feel normal.

Not as a standalone step on heavy makeup days. This leave-on formula handles everyday surface grime and light buildup well, but it is not designed to dissolve waterproof or full-coverage products. On days when you have worn heavy foundation or sunscreen, do a first cleanse with a dedicated remover, then apply this overnight cleanser afterward as a treatment step.

Most users report getting around two to three months of nightly use from a single 100ml tube, assuming a modest amount is applied each evening. It sounds small on paper, but the formula is concentrated enough that you do not need a large amount per application.

It depends on your sensitivity to fragrance. The lavender, vetivert, and wild chamomile blend is noticeable — this is not a lightly scented product. Most users find it calming and describe it as something they look forward to at bedtime. However, people who are fragrance-sensitive or prefer completely unscented skincare should be aware that the scent persists on the skin through the night.

It is formulated with acne-prone skin in mind, and the Copper PCA helps regulate oil production over time. That said, individual skin responses vary, and any new leave-on product carries some risk of initial adjustment. If your skin is currently breaking out badly or is inflamed, it is worth patch testing on a small area for a few nights before applying all over.

The brand positions this as a final step rather than a base layer, so applying additional products on top is not the intended use. If you have a specific treatment serum you cannot give up, applying it first and then using the Deep Sleep cleanser as a final layer may work, but results will vary and it is not a setup the brand officially recommends.

It works for dry skin too. The Hyaluronic Acid in the formula actively pulls moisture into the skin overnight, which benefits dry skin types in particular. Dry skin users tend to report the hydration benefits more noticeably than oily types, who are more likely to appreciate the sebum-balancing effect of the Copper PCA.

Realistically, give it three to four weeks of consistent use before expecting visible changes in texture or clarity. Chemical exfoliation from amino acids works gradually, not overnight in the dramatic sense. Users who report the best results tend to be those who kept using it daily rather than sporadically.

It is a facial cleanser, not an eye product, so direct contact with the eye area is best avoided. Apply it to the face and avoid the orbital bone area around the eyes. If contact occurs, rinse thoroughly with water.

Most users describe the texture as light rather than occlusive or heavy. It does not feel like a thick overnight mask sitting on the surface. That said, people with very oily skin occasionally note a slight film during the first few nights of use, which tends to become less noticeable as the skin adjusts.

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