Shop Patchology Rejuvenating Under Eye Gels 30 Pairs with Caffeine, Collagen & Centella Asiatica
Treatment
Patchology

Rejuvenating Under Eye Gels 30 Pairs with Caffeine, Collagen & Centella Asiatica

~$18
DrynessRednessDark spotsFine lines & firmness

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.

GlycerinModerate evidence4 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 — efficacyPMID:35167133View 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 — efficacyPMID:28889318View source ↗

Fluhr JW et al., Glycerol and the skin: holistic approach to its origin and functions, British Journal of Dermatology 2008;159(1):23-34 — improves xerosis and barrier function

2008Positive — efficacyPMID:18510666View 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 — efficacyPMID: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 — positivePMID: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 — efficacyPMID:30897983View source ↗
Centella AsiaticaModerate evidence9 citations

Also called "cica," it calms redness, repairs the skin barrier, and speeds up healing. The go-to for irritated or reactive skin.

Hur N et al., A Randomized, Double-Blind, Placebo-Controlled Trial Assessing the Effects of Oral Centella asiatica Extract on Skin Aging-Related Parameters in Middle-Aged Korean Women, Nutrients 2026

2026Positive — efficacyPMID:42196964View source ↗

Borowicz KK et al., Geroprotective Potential of Centella asiatica: Modulation of Cellular Aging, Nutrients 2026

2026Mechanism onlyPMID:42280293View source ↗

Su Z et al., The Effectiveness and Safety of a Skin Care Product With Centella asiatica Leaf Extract, Ceramide NP, and Panthenol in Subjects With Sensitive Skin: A Prospective, Observational Study, Journal of Cosmetic Dermatology 2025;24(7):e70324 — Sun Yat-Sen U 4-week study; cream provided rapid relief of facial redness and supported barrier function

2025Positive — efficacyPMID:40682399View source ↗
+13 more ingredients
ChamomileModerate evidence5 citations

The classic "tea-bag-on-puffy-eyes" botanical. Calms angry skin via the same anti-inflammatory pathways psoriasis drugs target, just gentler. Good for reactive or rosacea-prone complexions.

Essential Oil of Matricaria chamomilla Alleviates Psoriatic-Like Skin Inflammation by Inhibiting PI3K/Akt/mTOR and p38MAPK Signaling Pathway, Clinical Cosmetic and Investigational Dermatology 2024

2024Mechanism onlyPMID:38222858View source ↗

Phytochemical, Technological, and Pharmacological Study on the Galenic Dry Extracts Prepared from German Chamomile Flowers (Romania), Plants 2024

2024Mechanism onlyPMID:38337883View source ↗

Comparative analysis of whole plant, flower and root extracts of Chamomilla recutita L. (Germany), Frontiers in Immunology 2024

2024Mechanism onlyPMID:38720895View source ↗
CaffeineModerate evidence6 citations

Tightens and brightens the under-eye area, reducing the look of puffiness by constricting tiny blood vessels. Best deployed in eye creams.

Elias M et al., Caffeine in Skincare: Its Role in Skin Cancer, Sun Protection, and Cosmetics, Indian Journal of Dermatology 2023;68(5):546-550 — evidence for topical caffeine's photoprotective, antioxidant, and anti-cellulite roles

2023Meta-analysis — positivePMID:38099120View source ↗

Gherardini J et al. (Germany), Transepidermal UV radiation of scalp skin ex vivo induces hair follicle damage that is alleviated by the topical treatment with caffeine, International Journal of Cosmetic Science 2019;41(2):164-182 — topical caffeine reduced UV-induced hair follicle cytotoxicity and premature catagen entry in ex vivo human scalp

2019Positive — efficacyPMID:30746733View source ↗

Byun SY et al., Efficacy of Slimming Cream Containing 3.5% Water-Soluble Caffeine and Xanthenes for the Treatment of Cellulite, Annals of Dermatology 2015;27(3):243-249 — 3.5% caffeine slimming cream improved visual cellulite scores 19.8% with measurable circumference reductions over 6 weeks

2015Positive — efficacyPMID:26082579View source ↗
Hydrolyzed CollagenModerate evidence3 citations

The protein your skin loses with age, broken down small enough to absorb. Multiple meta-analyses of RCTs show measurable wins in wrinkles, elasticity, and hydration after ~12 weeks. Most evidence is oral, but topical helps surface hydration too.

Pu SY et al., Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis, Nutrients 2023;15(9):2080 — 26 RCTs / 1,721 patients: hydrolyzed collagen significantly improved skin hydration and elasticity vs placebo across multiple collagen sources

2023Meta-analysis — positivePMID:37432180View source ↗

de Miranda RB, Weimer P, Rossi RC, Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis, International Journal of Dermatology 2021 — 19 RCTs / 1,125 participants: 90-day oral hydrolyzed collagen significantly reduced wrinkles and improved skin elasticity and hydration vs placebo

2021Meta-analysis — positivePMID:33742704View source ↗

Evans M et al., A randomized triple-blind placebo-controlled parallel study to evaluate the efficacy of a freshwater marine collagen on skin wrinkles and elasticity, Journal of Cosmetic Dermatology 2021;20(3):825-834 — 12-week RCT: ~35% reduction in wrinkle scores and improved elasticity vs placebo

2021Positive — efficacyPMID:32799362View source ↗
Hyaluronic AcidStrong evidence7 citations

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

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 — positivePMID: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 ↗

An JH et al., Anti-Wrinkle Efficacy of Cross-Linked Hyaluronic Acid-Based Microneedle Patch with Acetyl Hexapeptide-8 and Epidermal Growth Factor on Korean Skin, Annals of Dermatology 2019;31(3):263-271 — cross-linked HA microneedle patches improved wrinkles on Korean skin with minimal discomfort

2019Positive — efficacyPMID:33911590View source ↗
Aloe VeraModerate evidence5 citations

Calms irritation and adds light hydration. The classic for sunburned or reactive skin.

Tungkasamit T et al., Reduction in severity of radiation-induced dermatitis in head and neck cancer patients treated with topical aloe vera gel: A randomized multicenter double-blind placebo-controlled trial, European Journal of Oncology Nursing 2022;59:102164 — aloe vera reduced severity of moderate-to-severe radiation dermatitis

2022Positive — efficacyPMID:35767935View source ↗

Hekmatpou D et al., The effect of aloe vera clinical trials on prevention and healing of skin wound: a systematic review, Iranian Journal of Medical Sciences 2019;44(1):1-9

2019Meta-analysis — positivePMID:30666070View source ↗

Burusapat C et al., Topical Aloe Vera Gel for Accelerated Wound Healing of Split-Thickness Skin Graft Donor Sites: A Double-Blind, Randomized, Controlled Trial and Systematic Review, Plastic and Reconstructive Surgery 2018;142(1):217-226 — aloe vera gel shortened donor-site reepithelialization to 11.5 vs 13.7 days

2018Positive — efficacyPMID:29649056View source ↗
CalendulaModerate evidence5 citations

A botanical with real clinical wins for irritated, post-procedure, or healing skin, including faster cesarean-wound closure in a randomized trial. Gentle enough for diaper rash; useful for eczema flares.

Ozturan YA, Akin I (Turkey), Calendula officinalis extract enhances wound healing by promoting fibroblast activity and reducing inflammation in mice, Cutaneous and Ocular Toxicology 2025 — 5% topical aqueous Calendula extract over 14 days improved full-thickness skin wound closure, fibroblast activity, growth factors, and reduced inflammation markers in BALB/c mice

2025Positive — efficacyPMID:40173007View source ↗

Deligiannidou GE et al. (Greece), An Update of Phytotherapeutic Advances of Marigold (Calendula officinalis L.) in Wound Healing, Plants (Basel) 2025 — peer-reviewed review of 2020-2025 experimental and clinical evidence on Calendula formulations for skin regeneration: healing rate, cell proliferation, inflammatory modulation

2025Meta-analysis — positivePMID:41304647View source ↗

Effect of oral Calendula officinalis on second-degree burn wound healing (Iran), Scars Burns and Healing 2023

2023Positive — efficacyPMID:36632430View source ↗
Matrixyl PeptidesModerate evidence6 citations

Signals your skin to make more collagen. Quiet but real support for firmness and fine lines with consistent daily use.

Yang Y et al., Comprehensive evaluation of the efficacy and safety of a new multi-component anti-aging topical eye cream, Skin Research and Technology 2024;30(7):e13790 — 12-week study of active complex containing Matrixyl 3000 peptides showed significant improvement in hydration, elasticity, periorbital wrinkles

2024Positive — efficacyPMID:38932444View source ↗

Lintner K, Gerstein F, Solish N, A serum containing vitamins C and E and a matrix-repair tripeptide reduces facial signs of aging as evidenced by Primos analysis, Journal of Cosmetic Dermatology 2020;19(12):3262-3269 — matrix-repair tripeptide serum: 8-9% roughness reduction, 9% redness reduction by Primos imaging

2020Positive — efficacyPMID:33103342View source ↗

Bae JS et al., Topical application of palmitoyl-RGD reduces human facial wrinkle formation in Korean women, Archives of Dermatological Research 2017;309(8):665-671 — palmitoylated peptide reduced wrinkle formation via collagen activation and protection from degradation

2017Positive — efficacyPMID:28752204View source ↗
Licorice RootModerate evidence8 citations

A gentle Asian-skincare brightener derived from licorice root. Fades dark spots and calms redness, and it's a pregnancy-safe alternative to stronger fade ingredients.

Glabridin Inhibits Melanogenesis and Melanin Transfer via Wnt/beta-Catenin Pathway and Rho Family GTPase-Mediated Dendritic Formation Suppression, Pharmaceuticals (Basel) 2026;19(3) — glabridin (the licorice-root active) suppressed melanin synthesis and keratinocyte melanin transfer in vitro via Wnt/beta-Catenin and Rho-GTPase dendrite suppression

2026Mechanism onlyPMID:41901315View source ↗

Liu Y et al., Glycyrrhiza glabra extract as a skin-whitening agent: Identification of active components and CRTC1/MITF pathway-inhibition mechanism, Journal of Ethnopharmacology 2025;349:119948 — identifies glabridin as the principal active and maps skin-whitening mechanism via CREB/CRTC1/MITF suppression

2025Mechanism onlyPMID:40350048View source ↗

Wang JY et al., Preparation of compound liquorice microemulsion gel and its pharmacodynamics evaluation, Zhongguo Zhong Yao Za Zhi (China Journal of Chinese Materia Medica) 2020;45(21):5193-5199 — compound licorice (Glycyrrhiza) microemulsion gel significantly reduced ear swelling and inflammatory infiltration in chronic eczema mouse model

2020Positive — efficacyPMID:33350235View source ↗
AllantoinModerate 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 — efficacyPMID: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 ↗
Polyglutamic AcidModerate evidence3 citations

A hydrator often pitched as "stronger than hyaluronic acid." It sits on the surface, locks water in, and helps your skin make more of its own moisturizers over time.

Ko HJ et al., Poly-gamma-Glutamic Acid from a Novel Bacillus subtilis Strain: Strengthening the Skin Barrier and Improving Moisture Retention in Keratinocytes and a Reconstructed Skin Model, International Journal of Molecular Sciences 2025

2025Mechanism onlyPMID:39940752View source ↗

Li C, Ma H, Li P, Zhang S et al., Cucumber (Cucumis sativus L.) with heterologous poly-gamma-glutamic acid has skin moisturizing, whitening and anti-wrinkle effects, International Journal of Biological Macromolecules 2024;263(Pt 1):130229 — transgenic gamma-PGA-producing cucumber outperformed standard gamma-PGA and hyaluronic acid on hydration, wrinkles (-19 to -25%), and melanin reduction in human skin testing

2024Positive — efficacyPMID:38336313View source ↗

Yang R et al., Injectable adaptive self-healing hyaluronic acid/poly(gamma-glutamic acid) hydrogel for cutaneous wound healing, Acta Biomaterialia 2021;127:102-115 — HA/gamma-PGA self-healing hydrogel significantly accelerated full-thickness wound closure with enhanced angiogenesis and collagen deposition vs Tegaderm

2021Mechanism onlyPMID:33813093View source ↗
N-AcetylglucosamineModerate evidence4 citations

A gentle brightener that fades dark spots while quietly boosting hydration. Pairs especially well with niacinamide.

Schlessinger J, Green B, Edison BL, Murphy L, Sabherwal Y, A Firming Neck Cream Containing N-Acetyl Glucosamine Significantly Improves Signs of Aging on the Challenging Neck and Decolletage, Journal of Drugs in Dermatology 2016;15(1):47-52

2016Positive — efficacyPMID:26741381View source ↗

Hwang JS, Lee HY, Lim TY, Kim MY, Yoon TJ, Disruption of tyrosinase glycosylation by N-acetylglucosamine and its depigmenting effects in guinea pig skin and in human skin, Journal of Dermatological Science 2011;63(3):199-201

2011Mechanism onlyPMID:21723097View source ↗

Kimball AB, Kaczvinsky JR, Li J, Robinson LR, Matts PJ, Berge CA, Miyamoto K, Bissett DL, Reduction in the appearance of facial hyperpigmentation after use of moisturizers with a combination of topical niacinamide and N-acetyl glucosamine: results of a randomized, double-blind, vehicle-controlled trial, British Journal of Dermatology 2010;162(2):435-41 — 10-week RCT (n=202) showed niacinamide + NAG reduced facial spots and hyperpigmentation beyond SPF 15 alone

2010Positive — efficacyPMID:19845667View source ↗
UreaStrong evidence4 citations

A small molecule your skin already makes. Low concentrations deeply hydrate dry skin; higher concentrations soften thick, scaly patches. A workhorse for eczema and ichthyosis.

Jawed I et al., Effect of topical treatment with urea in ichthyosis, atopic dermatitis, psoriasis, and other skin conditions: a systematic review, Annals of Medicine and Surgery 2025

2025Meta-analysis — positivePMID:40109645View source ↗

Piquero-Casals J, Morgado-Carrasco D, Granger C, Trullas C, Jesus-Silva A, Krutmann J, Urea in Dermatology: A Review of its Emollient, Moisturizing, Keratolytic, Skin Barrier Enhancing and Antimicrobial Properties, Dermatology and Therapy (Heidelberg) 2021;11(6):1905-1915

2021Positive — efficacyPMID:34596890View source ↗

Ademola J, Frazier C, Kim SJ, Theaux C, Saudez X, Clinical evaluation of 40% urea and 12% ammonium lactate in the treatment of xerosis, American Journal of Clinical Dermatology 2002;3(3):217-22 — randomized double-blind comparison; 40% urea cream achieved improvement faster than 12% ammonium lactate lotion across hydration, texture, and roughness

2002Positive — efficacyPMID:11978141View source ↗
1 more citation view all on the Urea page ↗
GlutathioneModerate evidence6 citations

A "master antioxidant" your body already makes. In skincare it gently lightens overall tone and helps fade pigmentation when used consistently over months.

Stanescu C et al., Glutathione in Skin Aging and Tissue Regeneration: A Systematic Review of Molecular Mechanisms, Redox Modulation, and Biomedical Implications, Molecules 2026

2026Meta-analysis — positivePMID:41900080View source ↗

Sarkar R et al., Glutathione as a skin-lightening agent and in melasma: a systematic review, International Journal of Dermatology 2025

2025Meta-analysis — mixedPMID:39444151View source ↗

Wahab S et al., Combination of topical and oral glutathione as a skin-whitening agent: a double-blind randomized controlled clinical trial, International Journal of Dermatology 2021;60(8):1013-1018 — 8-week RCT showed combination significantly lowered melanin and raised lightness vs placebo

2021Positive — efficacyPMID:33871071View source ↗

Sources: PubMed · KCI · J-Stage · CNKI · Wanfang · SFD · MFDS · Cochrane · SCCS · CIR. Every entry points to a specific document. See methodology for what each outcome label means.

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