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Shop COSRX Ultimate Moisturizing Honey Overnight Mask
Treatment
COSRX

Ultimate Moisturizing Honey Overnight Mask

~$26· 2.03 Fl Oz (Pack of 1)

What it's good for

Key actives from our research database. Click any to read the full evidence dossier.

  • AdenosineModerate evidenceFull dossier ↗

    A Korean-approved anti-wrinkle ingredient that encourages collagen production for a smoother, firmer look.

    Good for: Anti-aging

  • AllantoinAnecdotal evidenceFull dossier ↗

    A gentle smoother and skin-soother. Reduces flakiness and helps the surface look more even.

    Good for: Anti-inflammatory, Hydrating

  • BeeswaxModerate evidenceFull dossier ↗

    A wax film former that quietly does what petrolatum does (slows water loss and shields chapped skin) without feeling slick. Most evidence comes from honey/beeswax/olive-oil cerates that have shown improvement in dry, irritation-prone skin in controlled trials. CIR-affirmed safe.

    Good for: Barrier repair, Hydrating

  • DimethiconeStrong evidenceFull dossier ↗

    A silicone that sits on your skin as an invisible, non-greasy shield. Reduces water loss, protects against irritants (think soap, friction, incontinence), and is FDA-recognised as a skin protectant from 1-30%. The reason your favourite primer feels silky and your barrier cream actually works under makeup.

    Good for: Barrier repair, Hydrating

  • GlycerinModerate evidenceFull dossier ↗

    A workhorse hydrator that pulls water into your skin. In nearly every good moisturizer for a reason.

    Good for: Hydrating

  • Hyaluronic AcidStrong evidenceFull dossier ↗

    A pure hydrator that holds water in your skin. Makes skin look plumper and smoother almost immediately.

    Good for: Hydrating

  • PanthenolModerate evidenceFull dossier ↗

    Pro-vitamin B5. Deeply hydrates and helps repair the skin barrier, calming dry or compromised skin.

    Good for: Hydrating, Barrier repair

  • PropolisModerate evidenceFull dossier ↗

    A bee-made resin that's antibacterial and anti-inflammatory. Calms breakouts and hydrates at the same time.

    Good for: Anti-acne, Anti-inflammatory

Evidence behind the ingredients

Real citations from our research database, one per tracked active in this product. Click any ingredient name to read its full evidence dossier.

AdenosineModerate evidence6 citations

A Korean-approved anti-wrinkle ingredient that encourages collagen production for a smoother, firmer look.

Yang HJ et al., Two-phase delivery using a horse oil and adenosine-loaded dissolving microneedle patch for skin barrier restoration, moisturization, and wrinkle improvement, Journal of Cosmetic Dermatology 2019;18(3):936-943 — Korean clinical study (n=20): adenosine microneedle patches improved elasticity, hydration, dermal density, wrinkles

2019Positive (efficacy)PMID:30160014View source ↗

Kang G et al., Adenosine-loaded dissolving microneedle patches to improve skin wrinkles, dermal density, elasticity and hydration, International Journal of Cosmetic Science 2018;40(2):199-206 — Korean-authored; adenosine microneedle patches matched or exceeded adenosine cream for multiple endpoints

2018Positive (efficacy)PMID:29574973View source ↗

Kim MY et al., Effect of adenosine on melanogenesis in B16 cells and zebrafish, Annals of Dermatology 2014;26(2):209-13 — adenosine suppresses pigmentation via negative regulation of tyrosinase in cellular and zebrafish models

2014Mechanism onlyPMID:24882976View source ↗
AllantoinAnecdotal evidence6 citations

A gentle smoother and skin-soother. Reduces flakiness and helps the surface look more even.

Xu Z et al., Efficacy and Safety of Topical Compound Heparin Sodium Allantoin Gel for the Treatment of Rosacea, Journal of Cosmetic Dermatology 2025;24(4):e70129 — RCT (n=82, 12 weeks): allantoin gel improved erythema and alleviated itching/burning vs traditional therapy

2025Positive (efficacy)PMID:40177799View source ↗

Tan C et al., The combination of allantoin, bisabolol, D-panthenol and dipotassium glycyrrhizinate mitigates UVB-induced PGE2 synthesis by keratinocytes, International Journal of Cosmetic Science 2024;46(5):691-701 — in vitro: allantoin combination reduced UVB-induced PGE2, IL-1α, IL-6, IL-8, TNFα

2024Mechanism onlyPMID:38433250View source ↗

Saucedo-Acuna RA et al. (Mexico), Characterization and In Vivo Assay of Allantoin-Enriched Pectin Hydrogel for the Treatment of Skin Wounds, International Journal of Molecular Sciences 2023;24(8):7377 — allantoin-pectin hydrogel reduced wound healing time by ~71% with complete closure at day 15 in rat model

2023Mechanism onlyPMID:37108540View source ↗
BeeswaxModerate evidence4 citations

A wax film former that quietly does what petrolatum does (slows water loss and shields chapped skin) without feeling slick. Most evidence comes from honey/beeswax/olive-oil cerates that have shown improvement in dry, irritation-prone skin in controlled trials. CIR-affirmed safe.

Souza C et al., Topical Formulation Containing Beeswax-Based Nanoparticles Improved In Vivo Skin Barrier Function, AAPS PharmSciTech 2017;18(7):2505-2516 — controlled: beeswax-based nanoparticle topical formulation

2017Positive (efficacy)PMID:28213845View source ↗

Al-Waili NS. Clinical and mycological benefits of topical application of honey, olive oil and beeswax in diaper dermatitis. Clin Microbiol Infect. 2005;11(2):160-163.

2005Positive (efficacy)PMID:15679495View source ↗

CIR Expert Panel. Safety Assessment of Beeswax, Candelilla Wax, Carnauba Wax, Japan Wax, and Beeswax-Derived Ingredients. Int J Toxicol. (Reaffirmed 2005.)

2005Safety assessmentDOI:10.3109/10915818409010515View source ↗
+5 more ingredients
DimethiconeStrong evidence5 citations

A silicone that sits on your skin as an invisible, non-greasy shield. Reduces water loss, protects against irritants (think soap, friction, incontinence), and is FDA-recognised as a skin protectant from 1-30%. The reason your favourite primer feels silky and your barrier cream actually works under makeup.

Beeckman D, Verhaeghe S, Defloor T, et al. A 3-in-1 perineal care washcloth impregnated with dimethicone 3% versus water and pH neutral soap to prevent and treat incontinence-associated dermatitis: a randomized, controlled clinical trial. J Wound Ostomy Continence Nurs. 2011;38(6):627-634.

2011Positive (efficacy)PMID:21952346View source ↗

Saary J, Qureshi R, Palda V, et al. A systematic review of contact dermatitis treatment and prevention. J Am Acad Dermatol. 2005;53(5):845-855. (Barrier creams containing dimethicone prevent irritant contact dermatitis.)

2005Meta-analysis (positive)PMID:16243136View source ↗

FDA OTC Final Monograph, 21 CFR Part 347 — Skin Protectant Drug Products for Over-the-Counter Human Use; dimethicone listed at section 347.10 as a Category I active ingredient at 1-30%.

2003Regulatory approval21CFR347.10View source ↗
GlycerinModerate evidence6 citations

A workhorse hydrator that pulls water into your skin. In nearly every good moisturizer for a reason.

Danby SG et al., Different types of emollient cream exhibit diverse physiological effects on the skin barrier in adults with atopic dermatitis, Clinical and Experimental Dermatology 2022;47(6):1154-1164 — glycerol+urea emollient delivered superior barrier-strengthening and irritant protection

2022Positive (efficacy)PMID:35167133View source ↗

Youssef R et al., Glycerol 85% efficacy on atopic skin and its microbiome: a randomized controlled trial, Journal of Dermatological Treatment 2021;32(7):730-736 — topical glycerol 85% RCT on atopic skin

2021Positive (efficacy)PMID:31869257View source ↗

Evans NJ et al., Human axillary skin condition is improved following incorporation of glycerol into the stratum corneum from an antiperspirant formulation, Archives of Dermatological Research 2017;309(9):739-748 — 4% glycerol penetrated axillary SC, reduced irritation, improved hydration

2017Positive (efficacy)PMID:28889318View source ↗
Hyaluronic AcidStrong evidence7 citations

A pure hydrator that holds water in your skin. Makes skin look plumper and smoother almost immediately.

Karabat MU, Tuncer MC. Effects of hyaluronic acid on skin at the cellular level: a systematic review. Rev Assoc Med Bras. 2025;71(8):e20250208. — Systematic review of 45 studies found low-molecular-weight HA stimulates keratinocyte proliferation and migration while high-molecular-weight HA drives skin hydration, supporting topical HA as an effective skin-hydrating and barrier-supporting ingredient.

2025Meta-analysis (positive)PMID:40990743View source ↗

Bravo B et al., Benefits of topical hyaluronic acid for skin quality and signs of skin aging: From literature review to clinical evidence, Dermatology and Therapy 2022;12(12):2657-2680 — HA-based cosmeceuticals reliably improve hydration and signs of skin aging

2022Meta-analysis (positive)PMID:36200921View source ↗

Lee SG et al., Hyaluronan Oligosaccharides Improve Rosacea-Like Phenotype through Anti-Inflammatory and Epidermal Barrier-Improving Effects, Annals of Dermatology 2020

2020Mechanism onlyPMID:33911737View source ↗
PanthenolModerate evidence5 citations

Pro-vitamin B5. Deeply hydrates and helps repair the skin barrier, calming dry or compromised skin.

Gao Y et al., Evaluation of the Efficacy and Safety of a Panthenol-Enriched Mask for Skin Barrier Recovery After Facial Laser Treatment, Journal of Cosmetic Dermatology 2025;24(7):e70223 — double-blind RCT (n=60): panthenol mask decreased erythema, enhanced hydration, repaired barrier vs saline

2025Positive (efficacy)PMID:40613435View source ↗

Cho YS et al., Use of Dexpanthenol for Atopic Dermatitis-Benefits and Recommendations Based on Current Evidence, Journal of Clinical Medicine 2022;11(14):3943 — Korean-authored review; dexpanthenol improves barrier and reduces severity in mild-to-moderate AD

2022Meta-analysis (positive)PMID:35887707View source ↗

Heise R et al., Accelerated wound healing with a dexpanthenol-containing ointment after fractional ablative CO2 laser resurfacing of photo-damaged skin in a randomized prospective clinical trial, Cutaneous and Ocular Toxicology 2019;38(3):274-278 — RCT: dexpanthenol significantly faster wound closure vs petroleum jelly post-laser

2019Positive (efficacy)PMID:30897983View source ↗
PropolisModerate evidence6 citations

A bee-made resin that's antibacterial and anti-inflammatory. Calms breakouts and hydrates at the same time.

Chantadee T et al., In Situ Thai Apis mellifera Propolis Film as Potential Protective Phytopharmaceuticals Against UVB-Induced HaCaT Keratinocyte Damage, Pharmaceuticals (Basel) 2026

2026Mechanism onlyPMID:42198354View source ↗

Effect of propolis on wound healing in sacrococcygeal pilonidal disease: a randomized controlled clinical trial, 2021 — accelerated wound healing from week 1 with greater effect days 14-28 vs control

2021Positive (efficacy)PMID:34602433View source ↗

Martin BA et al., A New Approach to Atopic Dermatitis Control with Low-Concentration Propolis-Loaded Cold Cream, Pharmaceutics 2021;13(9):1346 — low-concentration propolis cold cream reduced atopic-dermatitis severity

2021Positive (efficacy)PMID:34575421View source ↗

Sources: 10 clinical journals and regulatory databases across the US, EU, Korea, Japan, and China. Every entry points to a specific document. See methodology for the full list and what each outcome label means.

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