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iS Clinical Brightening Serum for mature skin

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

iS Clinical Brightening 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

  • Suitable for normal skin due to the humectant action of glycerin and mild exfoliation from saccharum officinarum extract, which also offers moderate brightening benefits for an even skin tone.
  • The presence of alpha-arbutin further supports skin tone evening, though specialized ingredients for wrinkles and fine lines are not concentrated enough to significantly address your main goal.
  • The safety profile is excellent, with no risks of irritation for your normal skin 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

★4.6Overall rating based on 100+ reviews

This review data is based on limited data. Users frequently report visible improvements in dark spots, skin radiance, and overall texture, noting that the formula is generally gentle enough for various skin types, including sensitive skin. Some users may find it less effective for stubborn conditions or notice potential irritation if used too frequently.

Highlights

  • Fades dark spots Mostly Mentioned
    • “Dark spots from acne are fading”
    • “Reduced dark spots from previous acne”
    • “Lightening of scarring”
  • Evens skin tone Often Mentioned
    • “Truly even outs my skin”
    • “Provides brightening and balance”
    • “More even skin and calmer”
  • Gentle formula Sometimes Noted
    • “Great for my fair sensitive skin”
    • “Non-irritant”
    • “Gentle enough for sensitive skin”
  • Improves texture Sometimes Noted
    • “Refine skin texture”
    • “Smoothes and softens”
    • “Sleeker, more toned look”
  • Slow/no results Sometimes Noted
    • “Didn't reduce dark spots as quickly as I'd hoped”
    • “Can't tell if it is making any difference”
    • “Didn't really work for me”
  • Potential breakouts Rarely Noted
    • “Started getting hormonal acnes”
    • “Caused breakouts”
  • Price point Rarely Noted
    • “For the price, I was a bit disappointed”
    • “Expensive for the results”
  • Tingling sensation Rarely Noted
    • “Active product may produce a slight tingling sensation”
    • “Can be too drying if over used”

Sources: lovi.care, lovelyskin.com, dermstore.com, beautifiedyou.com, dermacaredirect.com, and more

Questions and answers

How well does iS Clinical Brightening Serum work for mature skin?

iS Clinical Brightening Serum works for mature skin, though other products fit it better because it lacks high concentrations of specialized ingredients for wrinkles and fine lines. To truly care for mature skin, a product needs potent antioxidants, hydrating components, skin-repairing ingredients like peptides, and a strong focus on improving skin elasticity and firmness.

Heliyon, 2023Clinical, Cosmetic and Investigational Dermatology, 2017

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

Alpha-arbutin helps even out your skin tone, while glycerin keeps your skin soft and hydrated. A treatment for mature skin also needs potent antioxidants, peptides, and skin-repairing ingredients to effectively smooth out wrinkles and fine lines.

Heliyon, 2023Clinical, Cosmetic and Investigational Dermatology, 2017

What does Alpha-Arbutin do for mature skin?

Alpha-arbutin helps brighten dark spots and even out skin tone. Studies show that when used regularly, it may also help improve moisture and keep skin looking smooth.

Heliyon, 2023

What does Ascophyllum Nodosum Extract do for mature skin?

Ascophyllum Nodosum Extract helps calm mature skin and supports a healthy, smooth feel. This marine ingredient is often included in gentle formulas, though you will want to check the specific product to ensure it meets your skin's needs.

Marine Drugs, 2021

Where does it go in a skincare routine for mature skin?

This treatment goes in your evening routine, applied after cleansing and before your moisturizer. It helps even out your skin tone, though mature skin also needs specialized ingredients for wrinkles and fine lines.

Can I use it with retinol, and in what order?

You can use this treatment with retinol, applying the treatment first and following with your retinol once it absorbs. This serum is gentle on your skin, but because it does not strongly target wrinkles, mature skin also needs dedicated anti-aging ingredients like retinoids or peptides to smooth fine lines.

How often should I use it?

You can use this treatment once a week in the evening, as this serum is well tolerated and fits your mature skin reasonably well. If your skin feels comfortable and you see good results, you may carefully use it more often. A mature skin product of this type needs concentrated ingredients for wrinkles and fine lines, along with deeply nourishing components to properly smooth and firm your skin.

Heliyon, 2023

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

This serum is unlikely to clog pores or cause breakouts on mature skin, as it has a very low risk of potential breakouts and an excellent safety profile. To properly care for mature skin, a product of this type needs concentrated anti-aging ingredients that target wrinkles and fine lines alongside gentle smoothing agents.

Is it fragrance-free and alcohol-free?

It has no fragrance and contains drying alcohol (alcohol denat).

What the research says

  • 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

  • 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 botanical face cleanser with hops and willow bark extract continuously reduced skin sebum levels without reactive seborrhea after treatment in 21 healthy volunteers compared to a sodium laureth sulfate cleanser, with neither cleanser causing skin irritation.

    Journal of Cosmetic Dermatology, 2019

  • 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

  • Fermented bilberry extract improved wrinkle depth, skin smoothness, roughness, firmness, elasticity, antioxidant capacity, and complexion evenness compared to a placebo in 66 subjects over 84 days.

    Nutrients, 2024

  • Topical application of oil-in-water creams containing wild bilberry leaves extract and seeds oil produced significant beneficial effects on the skin of healthy human volunteers.

    Antioxidants, 2021

  • Bilberry fruit extract incorporated into chitosan-based hydrogels demonstrated antioxidant, anti-hyaluronidase, and anti-tyrosinase activities, supporting their potential use in topical anti-aging preparations.

    Antioxidants, 2024

  • Bioactive lipid nanocarriers co-loaded with willow bark or ivy leaf extracts and UV-filters provided pronounced UVA photoprotection up to an SPF-equivalent value of 13 and a maximum in vivo skin hydration effect of 97% when prepared with pomegranate oil.

    Nanomaterials, 2022

  • A topical serum containing 0.5% salicin applied twice daily reduced visible signs of skin aging, including wrinkles and tactile roughness, in 30 female subjects over 12 weeks compared to baseline.

    Journal of Cosmetic Dermatology, 2010

  • A novel emulsion containing niacinamide, lens esculenta seed extract, and white willow bark extract effectively improved acne, blackheads, and conspicuous facial pores in 30 subjects with oily skin.

    Journal of Cosmetic Dermatology, 2024

  • 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

Why other serums fit mature skin better

Ingredients

Butylene Glycol, Water, Glycerin, Alcohol Denat, Ascophyllum Nodosum Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Leaf Extract Fruit, Alpha-Arbutin, Glyceryl Polyacrylate, Polyporus Umbellatus Extract Mushroom Extract, Willow Bark Extract, Menthol, Phenoxyethanol

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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