Shop Peter Thomas Roth 24K Gold Firming Hydra-Gel Eye Patches 30 Pairs
Treatment
Peter Thomas Roth

24K Gold Firming Hydra-Gel Eye Patches 30 Pairs

~$18
Fine lines & firmnessDrynessAcneVisible pores

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 ↗
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 ↗
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 ↗
+5 more ingredients
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 ↗
NiacinamideStrong evidence11 citations

A multitasker that calms redness, evens out skin tone, and helps oily skin balance out. One of the safest do-a-little-of-everything ingredients.

Moro F et al., Skin Cancer Prevention and Antiaging: Role of Nicotinamide, International Journal of Molecular Sciences 2026

2026Mechanism onlyPMID:42278444View source ↗

Passeron T et al., An Investigator-Blinded, Randomized Trial of a Broad-Spectrum Sunscreen Containing Sclareolide and Niacinamide, Dermatology and Therapy (Heidelberg) 2026

2026Positive — efficacyPMID:41240206View source ↗

Vergilio MM et al., Topical Formulation with Niacinamide Combined with 5 MHz Ultrasound for Improving Skin Ageing, Current Medicinal Chemistry 2025

2025Positive — efficacyPMID:39171587View source ↗
Vitamin EModerate evidence6 citations

A workhorse antioxidant that defends your skin from daily oxidative damage. Pairs especially well with vitamin C, and it's in nearly every good moisturizer for a reason.

Neves JR et al., Efficacy of a topical serum containing L-ascorbic acid, neohesperidin, pycnogenol, tocopherol, and hyaluronic acid in relation to skin aging signs, Journal of Cosmetic Dermatology 2022;21(10):4462-4469 — tocopherol-containing antioxidant serum reduced pollution-induced damage and improved aging signs

2022Positive — efficacyPMID:35150043View source ↗

Warshaw EM et al., Patch Testing With Tocopherol and Tocopherol Acetate: The North American Contact Dermatitis Group Experience, 2001 to 2016, Dermatitis 2021;32(5):308-318 — 15-year NACDG data: positive patch-test reactions to tocopherol rare given widespread cosmetic use

2021Safety assessmentPMID:34238818View source ↗

Lin FH et al., Ferulic acid stabilizes a solution of vitamins C and E and doubles its photoprotection of skin, Journal of Investigative Dermatology 2005;125(4):826-832 — ferulic acid + vit C + vit E combo doubled photoprotection vs C+E alone (cross-listed; same paper cited for Ferulic Acid and Vit C)

2005Positive — efficacyPMID:16185284View 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 ↗
AdenosineModerate evidence7 citations

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

Nguyen NH et al., Translational Evaluation of a Disodium Adenosine Monophosphate (AMP2Na)-Based Topical Formulation for Physiology-Aligned Skin Rejuvenation, International Journal of Molecular Sciences 2026

2026Mechanism onlyPMID:42278371View source ↗

MFDS Approved Functional Cosmetic Active — Adenosine (anti-wrinkle). Korean Ministry of Food and Drug Safety, Cosmetic Functional Active Ingredient List

2020Regulatory approvalMFDS:Adenosine-AntiWrinkleView source ↗

Jang M et al., Dissolving microneedle with high molecular weight hyaluronic acid to improve skin wrinkles, dermal density and elasticity, International Journal of Cosmetic Science 2020;42(3):302-309 — Korean comparison: HMW HA + adenosine outperformed LMW HA across wrinkle and elasticity parameters

2020Positive — efficacyPMID:32421218View 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.

Layering conflicts

Ingredients in this product that can react with common actives. Avoid stacking unless noted.

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