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Shop Laneige Radian-C Brightening Treatment Essence
Essence
Laneige

Radian-C Brightening Treatment Essence

~$42· 150ml / 5.0 fl oz
Dark spotsRadianceDryness

What it's good for

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

  • Vitamin CStrong evidenceFull dossier ↗

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

    Good for: Brightening, Antioxidant

  • GlycerinModerate evidenceFull dossier ↗

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

    Good for: Hydrating

New to this? Patch test on your inner arm for 24 to 48 hours before applying to your face. If you have sensitive skin or rosacea, start 2 to 3 times per week and build up slowly.

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 evidence15 citations

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

Krutmann J et al. PINGing Sunshine: A Review of the Evidence for Adding Non-Filtering Photoprotective Ingredients to Sunscreens. Photodermatol Photoimmunol Photomed. 2025;41(6). — Review of Photoprotective INGredients (PINGs); L-ascorbic acid (vitamin C) identified as a top-ranked PING demonstrating efficacy across multiple photodamage endpoints.

2025Meta-analysis (positive)PMID:41152208View source ↗

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 ↗

Lee JH et al., Effects of VitabridC12 on Skin Inflammation, Annals of Dermatology 2017

2017Mechanism onlyPMID:28966510View 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 ↗

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.

Full ingredient list

Everything on the package label, not just the tracked actives above.

Sulfates freeParabens freeSilicones free
  • Contains fragrance: Fragrance/​Parfum, LimoneneWorth knowing if you have sensitive or reactive skin.
  • Contains drying alcohol: Alcohol DenatWorth knowing if you have sensitive or reactive skin.
+Show all 18 ingredients

Listed in the order printed on the package. By regulation, ingredients at 1% or higher are listed in descending order by concentration, so the first entry is the largest part of the formula.

  1. Water/​Aqua/​Eau
  2. Alcohol Denat
  3. Malpighia Emarginata (Acerola) Fruit Extract
  4. Propanediol
  5. Butylene Glycol
  6. Euterpe Oleracea Fruit Extract
  7. 3-O-Ethyl Ascorbic Acid
  8. 1,2-Hexanediol
  9. PEG-60 Hydrogenated Castor Oil
  10. Bis-PEG-18 Methyl Ether Dimethyl Silane
  11. Caffeine
  12. Ethylhexylglycerin
  13. Disodium EDTA
  14. Fragrance/​Parfum
  15. Sodium Magnesium Silicate
  16. Limonene
  17. Glutathione
  18. Tocopherol

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.

Similar comparisons

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Not medical advice. GlowPal is educational. Patch-test new products and talk to a qualified healthcare professional before changing your routine, especially if you're pregnant, nursing, or have a diagnosed skin condition. See our terms.