🇮🇪Ireland

Seoul Ceuticals Ultra Brightening Kojic Acid Serum for mature skin

Rated by Lovi · Unbiased, science-based skincare AI trained on real user outcomes

Seoul Ceuticals Ultra Brightening Kojic Acid Serum

Average

  • HighNormal Skin Fit
  • AverageEffectiveness
  • HighSafety

Works for mature skin; other serums fit it better.

This fit is calculated for the concerns frequently associated with mature skin: fine lines, wrinkles, and loss of firmness. For scores and recommendations based on your full skin profile, including your 12D face scan results and any goals or preferences you have, please use the Lovi app.

Page built Nov 8, 2026How the Fit score works

Lovi Assistant explains

  • Offers moderate brightening for your uneven skin tone due to alpha arbutin and kojic acid, which help regulate melanogenesis, but these ingredients do not directly address your primary concern of wrinkles and fine lines.
  • The formulation provides general skincare benefits like hydration and soothing with Aloe Barbadensis Leaf Juice and Glycerin, which are suitable for your normal skin type.
  • The product is safe for your normal skin, with no risks of irritation due to the absence of prohibited or harsh ingredients.

How to apply

  • Use this serum in your PM routine. Start by applying it 3 times a week, and work up to daily use if your skin likes it.
  • Apply this serum after your toner and before your moisturizer.
  • Gently press 2-3 drops of the serum into your skin and let it absorb for a minute.
  • You can apply the serum on dry skin for the best results against fine lines.
  • Always do a patch test before your first use and avoid the sensitive eye area.

People Say

★4.5Overall rating based on 200+ reviews

Users report this serum effectively fades dark spots, acne scars, and hyperpigmentation, providing a noticeable glow. The lightweight texture absorbs quickly and is generally well-tolerated by sensitive skin, though a small minority experienced breakouts or irritation.

Highlights

  • Brightens Complexion Often Mentioned
    • “skin glowing”
    • “skin looks brighter”
    • “radiance-boosting”
    • “even skin tone”
  • Fades Dark Spots Often Mentioned
    • “dark spots fading”
    • “reduces appearance of dark patches”
    • “good for hyperpigmentation”
    • “fades acne scars”
  • Gentle on Skin Sometimes Noted
    • “gentle on sensitive skin”
    • “no side effect”
    • “didn't irritate”
    • “soothing”
  • Lightweight Texture Sometimes Noted
    • “absorbs quickly”
    • “light texture”
    • “water gel”
    • “feels good”
  • Irritation & Breakouts Rarely Noted
    • “caused irritation”
    • “breakouts all over”
    • “tingling sensation”
    • “redness”
  • Price & Value Rarely Noted
    • “price is too high”
    • “bottle size”
    • “expensive for results”
    • “small bottle”
  • Slow or No Results Rarely Noted
    • “still have dark spots”
    • “didn't notice much”
    • “didn't do much for me”
    • “no change”
  • Unpleasant Scent Rarely Noted
    • “scent is not that good”
    • “smell”
    • “weird scent”
    • “not pleasant”

Sources: lovi.care, iherb.com, target.com, ulta.com, nordstrom.com, clinikally.com, and more

Questions and answers

How well does Seoul Ceuticals Kojic Acid Serum work for mature skin?

This serum works moderately well for mature skin by helping even out your skin tone, though it does not directly target fine lines and wrinkles. To truly fit mature skin well, a treatment needs powerful anti-aging ingredients like peptides and high-quality antioxidants that improve skin firmness and smooth out lines.

Which ingredients make this serum a good fit for mature skin?

Alpha arbutin and kojic acid make this serum a good fit by helping even out your skin tone. To work best for mature skin, a product of this type needs ingredients that effectively target wrinkles and fine lines, like peptides and high-quality antioxidants.

What does Kojic Acid do for mature skin?

Kojic acid helps fade dark spots and uneven patches on mature skin by blocking the enzyme responsible for dark pigment. It also provides antioxidant protection, though this skin type also needs nourishing hydrators and gentle exfoliants to keep the surface smooth and soft.

Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie, 2019

What does Alpha Arbutin do for mature skin?

Alpha arbutin helps fade dark spots and uneven skin tone by slowing down the pigment production in your skin. When used in advanced formulas, it may also help improve skin moisture and elasticity.

Heliyon, 2023Archives of Pharmacal Research, 2009

Where does this serum go in a skincare routine for mature skin?

This serum goes in the evening routine, after cleansing and before moisturizing. To better fit mature skin, a product of this type needs firming and smoothing ingredients that directly target wrinkles and fine lines.

Can I use this serum with retinol, and in what order?

You can use this serum with retinol by applying retinol at night and using this brightening treatment at a different time, because combining them directly may overwhelm your skin. Mature skin needs treatments with ingredients like peptides and retinoids that target wrinkles and fine lines to truly smooth the skin.

How often should I use this serum?

This serum may be used in your evening routine once a week to start, and you can carefully use it more often if your skin tolerates it well and shows good results. Because this product works well for brightening rather than your primary concern of wrinkles, mature skin also needs ingredients like retinoids and antioxidants for firming and smoothing.

Can this serum clog pores, cause breakouts or purging for mature skin?

This serum is unlikely to clog pores or cause breakouts for mature skin, as it has a low risk of irritation and breakouts. However, products for mature skin also need ingredients that target wrinkles and fine lines.

Is this serum fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

What the research says

  • Encapsulation of alpha arbutin in an optimized ethosomal gel significantly improved skin melanin reduction, moisture content, and elasticity in human volunteers compared to conventional formulations.

    Heliyon, 2023

  • A single application of a moisturizing fluid containing hyaluronic acid 1%, glycerin 5%, and Centella asiatica stem cells extract significantly increased skin hydration by 29% and reduced transepidermal water loss at 24 hours compared to baseline and an untreated control site in twenty healthy women.

    Clinical, Cosmetic and Investigational Dermatology, 2017

  • A topical formulation containing kojic acid, emblica extract, and glycolic acid demonstrated efficacy parity compared with hydroquinone 4% in multiethnic participants with mild to moderate facial dyschromia.

    Cutis, 2010

  • A nanoemulsion containing 1 mg/mL kojic dipalmitate and 5% rosehip oil demonstrated high incorporation efficiency, suitable physicochemical stability, antioxidant and depigmenting efficacy close to 1 mM ascorbic acid, and no cytotoxicity at concentrations from 0.06% to 1% in vitro.

    Pharmaceutics, 2023

  • Topical application of iron chelators kojic acid and deferiprone significantly accelerated wound healing in rats compared to control groups, with deferiprone showing superior efficacy due to higher antioxidant and iron chelation abilities.

    International Wound Journal, 2013

  • A non-hydroquinone topical formulation (SKNB19) improved hyperpigmentation by 28.5% in patient self-assessment and 27% in independent reviewer assessment compared with 4% hydroquinone in 18 adult subjects, while showing significantly less irritation and better tolerability.

    Journal of Cosmetic Science, 2020

  • Combining a home-based radiofrequency device and arbutin cream reduced mMASI scores by 25.6% and melanin index by 22.8% at 8 weeks compared to baseline in 38 participants.

    Journal of Cosmetic Dermatology, 2025

  • Polyvinyl pyrrolidone-K90/Eudragit RL100 dissolving microneedle patches loaded with alpha-arbutin and resveratrol enhanced intradermal delivery by approximately 2.6 times compared to cream and slightly decreased the melanin index in human participants without causing skin irritation.

    Biomaterials Science, 2023

  • Repeated short-contact 70% glycolic acid peels provided superior results in atrophic acne scars compared to daily low-strength glycolic acid cream or placebo in 58 women over 24 weeks.

    International Journal of Dermatology, 2000

  • Serial glycolic acid peels combined with a modified Kligman formula significantly reduced facial PIH severity in Indian patients compared to the modified Kligman formula alone.

    Dermatologic Surgery, 2017

  • Cryotherapy with liquid nitrogen achieved a higher cure rate (39%) than salicylic acid (24%) and a wait-and-see approach (16%) for cutaneous warts at 13 weeks in primary care patients.

    CMAJ, 2010

  • A moisturizer containing licochalcone A, 1,2-decanediol, L-carnitine, and salicylic acid significantly reduced noninflammatory, inflammatory, and total acne lesion counts compared to a vehicle control in Thai patients during a 12-week maintenance phase.

    BioMed Research International, 2020

  • Treatment with 2% supramolecular salicylic acid hydrogel resulted in a regression and markedly improvement rate of 51.01% compared to 43.10% for Adapaline gel in patients with mild to moderate facial acne vulgaris, showing no significant difference in efficacy.

    Journal of Cosmetic Dermatology, 2024

  • Combining 755 nm alexandrite laser with topical licorice gel significantly reduces terminal hair counts compared to alexandrite laser with placebo in women with idiopathic hirsutism.

    Evidence-based Complementary and Alternative Medicine, 2015

  • Licochalcone A activated Nrf2 signaling, elevated cytoprotective enzymes, increased the reduced-to-oxidized glutathione ratio, and decreased reactive oxygen species in human fibroblasts and neutrophils, while a LicA-rich licorice extract lowered UVA-induced oxidative processes in vivo.

    Experimental Dermatology, 2015

  • Bioactive glycyrrhizic acid and oxymatrine ionic liquid self-assembled nanomicelles significantly promoted the transdermal permeation, subcutaneous retention, and anti-photoaging efficacy of palmitoyl pentapeptide-4 in cellular and animal models compared to unformulated peptide.

    Advanced Science, 2025

Why other serums fit mature skin better

Ingredients

Water Deionized Water, Witch Hazel Water, Cassia Angustifolia Polysaccharide Seed Sodium Hyaluronate Seed, Alpha Arbutin, Glycerin, Aloe Barbadensis Leaf Juice, Ganoderma Lucidum Extract Reishi Kojic Acid Extract, Dimethyl Sulfone, Arctostaphylos Uva-Ursi Leaf Extract, Curcuma Longa Root Extract, Glycolic Acid, Willow Bark Extract Willow Salicylic Acid Bark Extract, Anise Extract, Cochlearia Armoria Root Extract Horseradish Root Extract, Glycyrrhiza Glabra Root Extract Licorice Root Extract, Schisandra Chinensis Extract, Melissa Officinalis Extract, Fennel Extract, Panax Quinquefolius Root Extract Panax Ginseng Root Extract, Melissa Officinalis Seed Oil, Jojoba Seed Oil, Tocopheryl Acetate Vitamin E, Centella Asiatica Extract, Equisetum Arvense Extract Horsetail Plant Extract, Geranium Extract, Dandelion Extract, Hydroxyethyl Ethylcellulose, Chondrus Crispus, Ethylhexylglycerin, Sodium Benzoate, Potassium Sorbate

Behind this fit score

Lovi calculates every fit score from the full ingredient list with brand-independent rules our dermatologists and cosmetic chemists build and review, and personalizes every pick with AI trained on the real results of millions of users. Lovi trains its fit score models on a proprietary dataset built from more than 10,000 expert-labeled products and more than 100,000 simulated examples, following an internally consistent methodology presented at Cosmoprof, AMWC, and Skin of Color Update.

  • Nadia Kapleva, MS

    Nadia Kapleva, MS

    Co-founder, Medical Director

    Cosmetic chemist, cosmetologist, aesthetic products developer

  • Alexey Shagraev, PhD

    Alexey Shagraev, PhD

    Co-founder, CEO and CTO

    PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex

  • Dr. Sofía Perea Pérez, MD, MSc

    Dr. Sofía Perea Pérez, MD, MSc

    Medical Board

    Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine

  • Aishani Shah, MD

    Aishani Shah, MD

    Medical Board

    Specialist dermatologist, MBBS, MD, IFAAD

  • Asya Zubkova, MS

    Asya Zubkova, MS

    Medical Board

    Cosmetic chemist, SCS, IFSCC member

  • Hanna Kurets, MD

    Hanna Kurets, MD

    Medical Board, Medical Advisor

    Dermatology MD

  • Elina Nazarenko, MD

    Elina Nazarenko, MD

    Medical Board

    Dermatology and diagnostic consultant

  • Victoria Derkova, MS

    Victoria Derkova, MS

    Medical Board

    Cosmetic chemist, cosmetic development technologist

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Scan your face, then any product: Lovi shows how well it fits you and what fits even better.

QR code: get the Lovi app
Download on theApp Store Get it onGoogle Play