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Medik8 Sleep Glycolic for acne-prone skin

Rated by Lovi · Unbiased, science-based skincare AI trained on real user outcomes

Medik8 Sleep Glycolic

Average

  • HighCombination Skin Fit
  • AverageEffectiveness
  • Low RiskSafety

Works for acne-prone skin; other products fit it better.

This fit is calculated for the concerns frequently associated with acne-prone skin: breakouts, blackheads, and post-acne marks. For scores and recommendations based on your full skin profile, including your 12D face scan results and any goals or preferences you have, please use the Lovi app.

Page built Nov 8, 2026How the Fit score works

Lovi Assistant explains

  • Offers moderate exfoliation for your combination skin, as glycolic acid helps to resurface the skin and address acne and blemishes by providing keratolytic action.
  • Glycerin is included to provide humectant action, supporting skin hydration for combination skin.
  • The product is generally safe for your skin, with a low risk of irritation from glycolic acid.

How to apply

  • Use this exfoliant PM once a week to start, and gradually increase if your combination skin tolerates it well. Always apply SPF the next morning to protect your clear skin.
  • Apply the exfoliant after cleansing and toning, but right before your moisturizer step. This ensures the treatment targets blemishes effectively.
  • Gently press 2-3 drops of the exfoliant into your skin without rubbing. Let it absorb for a minute before moving to the next step.
  • Apply the exfoliant on clean, dry skin to help control breakouts safely. Since your skin is not sensitive, this dry application method ensures good product absorption.
  • Avoid the sensitive eye area and do a patch test before your first use. Do not mix this exfoliant with other strong acids in the same routine.

People Say

★4.8Overall rating based on 1.9k+ reviews

Based on a very large amount of data, this product is highly praised for its ability to transform dull skin into a glowing, radiant complexion. Users report significant improvements in skin texture, hyperpigmentation, and fine lines, with many noting a lack of irritation. Some users experience a mild tingling sensation or dryness.

Highlights

  • Glowing, radiant skin Mostly Mentioned
    • “I wake up glowing. It adds back that youthful bloom that I've lost.”
    • “My skin looks beautiful the next morning after using sleep glycolic.”
    • “I felt like I was wearing highlighter all over my face due to the luminosity.”
    • “Skin is literally like a baby's bottom - soft, plump and smooth.”
  • Smoother skin texture Mostly Mentioned
    • “My skin was smoother, my skin texture felt more resurfaced.”
    • “Skin is clearer and smoother, I'm 70 so never going to have glass skin but pleased with the result.”
    • “It leaves my skin feeling SO smooth the next morning!”
    • “My skin texture is smoother and complexion clearer.”
  • No irritation Often Mentioned
    • “No issues with sensitivity and super easy to use a couple of times a week.”
    • “I was worried it might irritate my 50 year old skin, but it doesn't at all.”
    • “Not a tiny bit of irritation in sight. In fact, it felt beautiful as I applied.”
    • “I have experienced no irritation and my skin feels much smoother the following day.”
  • Reduces dullness Sometimes Noted
    • “Banished skin dullness and started to scare wrinkles into submission.”
    • “It left my skin tone so much more clearer and lighter.”
    • “I also think the dark rings on my neck are less noticeable since using this.”
    • “With only one use, the Sleep Glycolic had transformed my dull complexion.”
  • Causes mild dryness Rarely Noted
    • “The next morning, my skin felt a touch dry but I think that is to be expected.”
    • “The first couple of times I used it my skin felt a bit dry a few days afterwards.”
    • “Not sure if it's just me but I do notice a little light itchiness on the drier parts of my face.”
  • Slight tingling sensation Rarely Noted
    • “I do notice a little light itchiness on the drier parts of my face a day or two after use.”
    • “I personally only experienced very slight mild irritation.”
    • “It's just the right amount of tingle, and at the right price point.”
  • Too strong frequently Rarely Noted
    • “Can't use frequently, too much for my skin.”
    • “I cut down from a 'large-ish' pea-sized amount to a 'petit pois' size and that solved the issue.”
    • “I use it once a week, that's enough for my skin which can be slightly sensitive.”

Sources: lovi.care, medik8.com, spacenk.com, cultbeauty.co.uk, lookfantastic.com, adorebeauty.com.au, and more

Questions and answers

How well does Medik8 Sleep Glycolic work for acne-prone skin?

Medik8 Sleep Glycolic works moderately well for acne-prone skin, as it helps resurface the skin and address blemishes with a low risk of irritation. To fit this skin type best, an exfoliant treatment needs effective ingredients like niacinamide, propolis, or zinc PCA that target breakouts and control oiliness while keeping the skin balanced and hydrated.

Clinical, Cosmetic and Investigational Dermatology, 2019Clinical, Cosmetic and Investigational Dermatology, 2017

Which ingredients make this exfoliant a good fit for acne-prone skin?

Glycolic acid helps resurface your acne-prone skin and address blemishes by clearing away dead cells, while glycerin supports skin hydration. To work best for this skin type, a product of this type needs calming and balancing ingredients like niacinamide, propolis, or zinc PCA that target breakouts while keeping hydration balanced without extra oiliness.

Clinical, Cosmetic and Investigational Dermatology, 2019Clinical, Cosmetic and Investigational Dermatology, 2017

What does Glycolic Acid do for acne-prone skin?

Glycolic acid helps clear acne-prone skin by reducing pimples and breakouts. It also helps fade dark spots left behind by acne and controls skin oiliness, with very few side effects when used properly.

Journal of Cosmetic Dermatology, 2021Dermatologic Surgery, 2014

What does Glycerin do for acne-prone skin?

Glycerin helps keep acne-prone skin hydrated and calm without clogging pores or feeling heavy. It supports the skin barrier so it stays soft and smooth while handling everyday treatments.

The British Journal of Dermatology, 2008International Journal of Toxicology, 2019

Where does this exfoliant go in a skincare routine for acne-prone skin?

This exfoliant goes in the evening routine after cleansing, because treatments with active ingredients are best used at night for simplicity and safety around sun exposure. This product works for your skin, though other products fit it better, so an acne-prone skin type needs a product that offers gentle exfoliation with soothing and hydrating ingredients to clear blemishes while keeping skin calm and comfortable.

Can I use it with retinol, and in what order?

Using this treatment with retinol on acne-prone skin may easily lead to irritation, so it is best to use them on alternate nights rather than together. When combining potent actives like these, incorporating soothing ingredients and reliable moisturizers helps keep the skin calm and hydrated.

How often should I use it?

Start by using it once a week in the evening, and if your skin feels comfortable and you see good results, you can carefully use it more often. This type of skin needs gentle exfoliating ingredients paired with hydrating ingredients to keep the skin calm and clear.

Can this exfoliant clog pores, cause breakouts or purging for acne-prone skin?

Medik8 Sleep Glycolic is unlikely to clog pores or cause breakouts on acne-prone skin, and may help resurface the skin to address blemishes with a low risk of irritation. Because this product is an average fit, acne-prone skin needs products containing ingredients like salicylic acid and soothing agents to better target breakouts without extra dryness.

Clinical, Cosmetic and Investigational Dermatology, 2019

Is it fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

What the research says

  • Glycolic acid, salicylic acid, gluconolactone, and licochalcone A combined with 0.1% adapalene showed no hindrance compared to adapalene monotherapy and provided benefits in reducing complications in 25 subjects with mild-to-moderate acne vulgaris.

    Clinical, Cosmetic and Investigational Dermatology, 2019

  • A combination of dermapen and glycolic acid peel significantly decreased acne scar grades and resulted in higher patient satisfaction compared to either monotherapy in 30 patients.

    Journal of Cosmetic Dermatology, 2019

  • A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women.

    Clinical, Cosmetic and Investigational Dermatology, 2017

  • Repeated short-contact 70% glycolic acid peels provided superior results in atrophic acne scars compared to daily low-strength glycolic acid cream or placebo in 58 women over 24 weeks.

    International Journal of Dermatology, 2000

  • Serial glycolic acid peels combined with a modified Kligman formula significantly reduced facial PIH severity in Indian patients compared to the modified Kligman formula alone.

    Dermatologic Surgery, 2017

  • The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol.

    Journal of Cosmetic Dermatology, 2020

  • Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant.

    International Journal of Cosmetic Science, 2001

  • Niacinamide/glycerin body moisturizers provided better rapid and prolonged improvement of cosmetic xerosis through functional improvement of stratum corneum barrier function compared to no treatment and conventional moisturizers in female subjects.

    Journal of Drugs in Dermatology, 2012

  • The circadian clock component PER represses MMP-1 expression via the cAMP signaling pathway and mediates the MMP-1 suppression induced by Lespedeza capitata extract in HaCaT keratinocytes.

    Molecules, 2018

  • Wearing an N95 mask alone compared to using dimethicone cream or hydrocolloid dressing caused more adverse skin reactions among 73 military health care workers, with no significant differences in fit test failure rates between groups.

    Military Medicine, 2024

  • A dimethicone skin protectant lotion significantly decreased visual scoring and transepidermal water loss compared to vehicle control and SLS-only treated sites in 12 healthy humans exposed to sodium lauryl sulfate.

    Skin Research and Technology, 2000

  • Treatment with a moisturizer containing dimethicone and glycerine increased epidermal thickness by 0.019 mm, improved barrier function by decreasing transepidermal water loss by 13%, decreased melanin intensity, and induced keratins 6 and 16 in fifteen women with moderately photoaged forearms.

    Clinical and Experimental Dermatology, 2007

  • Topical retinoic acid-beta-cyclodextrin complex formulations at 0.025% showed greater acne improvement scores (4.0-4.1) and lower irritation than a commercial 0.05% retinoic acid gel (score 3, with side effects in all patients) after 3 months in 66 patients with acne vulgaris.

    Journal of the European Academy of Dermatology and Venereology, 2004

  • Tretinoin cyclodextrin complex demonstrated an antiwrinkle effect equal to that of conventional tretinoin with more moderate irritant reactions in photoaged patients.

    Aesthetic Plastic Surgery, 2012

  • Binary systems of trans-resveratrol with polyethylene glycol or beta-cyclodextrin enhanced its antioxidant activity and in vivo skin anti-aging effects compared to trans-resveratrol alone in human keratinocytes and volunteers.

    Drug Development and Industrial Pharmacy, 2014

Ingredients

Water, Glycolic Acid, Cyclodextrin, Caprylic Capric Triglyceride, Dimethicone, Glyceryl Stearate, Sucrose Stearate, Sodium Hydroxide, Glycerin, Phenoxyethanol, Lespedeza Capitata Stem Extract Flower Leaf, Propanediol, Xanthan Gum, Ethylhexylglycerin, Hydroxyethyl Acrylate Sodium Acryloyldimethyl Taurate Copolymer, Polysorbate 60, Sorbitan Isostearate

Behind this fit score

Lovi calculates every fit score from the full ingredient list with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.

  • Nadia Kapleva, MS

    Nadia Kapleva, MS

    Co-founder, Medical Director

    Cosmetic chemist, cosmetologist, aesthetic products developer

  • Alexey Shagraev, PhD

    Alexey Shagraev, PhD

    Co-founder, CEO and CTO

    PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex

  • Dr. Sofía Perea Pérez, MD, MSc

    Dr. Sofía Perea Pérez, MD, MSc

    Medical Board

    Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine

  • Aishani Shah, MD

    Aishani Shah, MD

    Medical Board

    Specialist dermatologist, MBBS, MD, IFAAD

  • Asya Zubkova, MS

    Asya Zubkova, MS

    Medical Board

    Cosmetic chemist, SCS, IFSCC member

  • Hanna Kurets, MD

    Hanna Kurets, MD

    Medical Board, Medical Advisor

    Dermatology MD

  • Elina Nazarenko, MD

    Elina Nazarenko, MD

    Medical Board

    Dermatology and diagnostic consultant

  • Victoria Derkova, MS

    Victoria Derkova, MS

    Medical Board

    Cosmetic chemist, cosmetic development technologist

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