Shop Pyunkang Yul Radiance Vita Cream
Moisturizer
Pyunkang Yul

Radiance Vita Cream

~$20.99· 50ml / 1.69 fl oz
Dark spotsRadianceDryness

Tracked ingredients

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

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.

Vitamin CStrong evidence13 citations

Brightens dull skin and helps fade dark spots. Also defends against everyday UV and pollution damage when worn under sunscreen.

Pullar JM et al., The roles of vitamin C in skin health, Nutrients 2017;9(8):866 — concluded topical efficacy "poorly understood"; supports dietary vitamin C

2017Mechanism onlyPMID:28805671View source ↗

MFDS Approved Functional Cosmetic Active — Ascorbic Acid and derivatives (whitening). Korean Ministry of Food and Drug Safety, Cosmetic Functional Active Ingredient List — L-ascorbic acid and stabilized derivatives (Magnesium Ascorbyl Phosphate, Ethyl Ascorbic Acid, Sodium Ascorbyl Phosphate) are approved whitening actives in the Korean Functional Cosmetics Codex; authorized concentrations documented in Jeon JS et al., International Journal of Cosmetic Science 2016;38(3):286-93 (PMID:26564311)

2016Regulatory approvalMFDS:AscorbicAcid-WhiteningView source ↗

Lee WJ et al., Magnesium Ascorbyl Phosphate Regulates the Expression of Inflammatory Biomarkers in Cultured Sebocytes, Annals of Dermatology 2015;27(4):376-82 — stable vitamin C derivative MAP suppresses inflammatory biomarkers in sebocytes, supporting anti-acne use

2015Mechanism onlyPMID:26273151View source ↗
NiacinamideStrong evidence8 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.

Korean authors et al., Anti-acne and Tolerance Assessment of a Cleanser Containing Salicylic Acid, Gluconolactone and Niacinamide, Asian Journal of Beauty and Cosmetology 2024;22(3):383-391 — 4-week clinical trial (n=43 oily acne-prone): significant reduction in inflammatory + non-inflammatory acne lesions and sebum content; 2-week safety (n=39 sensitive skin) confirmed tolerance

2024Positive — efficacyKCI:ART003120116View source ↗

Korean authors et al., A split-face study to evaluate the efficacy of a dissolving microneedle-encapsulated niacinamide skin patch for the reduction of facial hyperpigmentation, Archives of Aesthetic Plastic Surgery 2022;28(4):113-118 — 17-patient 2-week split-face RCT: DMN niacinamide patch significantly reduced epidermal pigmentation score and melanin score vs untreated control side

2022Positive — efficacyKCI:ART002889427View source ↗

Liu H et al., Topical azelaic acid, salicylic acid, nicotinamide, sulphur, zinc and fruit acid (alpha-hydroxy acid) for acne, Cochrane Database of Systematic Reviews 2020;5:CD011368 — conclusion: clinical benefit is unclear

2020Meta-analysis — mixedPMID:32356369View source ↗
Hyaluronic AcidStrong evidence6 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 ↗

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 ↗

Jegasothy SM et al., Efficacy of a New Topical Nano-hyaluronic Acid in Humans, Journal of Clinical and Aesthetic Dermatology 2014;7(3):27-29 — nano-HA produced up to 40% wrinkle-depth reduction, 96% hydration increase, and 55% elasticity improvement over 8 weeks

2014Positive — efficacyPMID:24688623View 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.

  • Benzoyl peroxide breaks down vitamin C, making both less effective. Use one in the morning and the other at night.

  • Vitamin C and retinol work best at different pH levels. Use vitamin C in the morning and retinol at night.

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