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IT Cosmetics Bye Bye Dark Spots Serum for combination skin

High

  • HighCombination Skin Fit
  • HighEffectiveness
  • ExcellentSafety

A great choice for combination skin; a few serums fit it even better.

This fit is calculated for the concerns frequently associated with combination skin: an oily T-zone, enlarged pores, and dry cheeks. 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

  • Highly suitable for your combination skin, this serum utilizes niacinamide and salicylic acid to help regulate oil and gently exfoliate, addressing your concerns with oily shine.
  • The inclusion of 3-O-Ethyl Ascorbic Acid provides excellent brightening and evens skin tone, further complementing your goals.
  • The safety profile is excellent, with no risks of irritation due to the absence of harsh ingredients and the presence of soothing components like glycerin.

How to apply

  • Use your serum as part of your PM routine. Start using it 3 times a week and move to daily use if your skin likes it.
  • Apply the serum after cleansing and toner, and right before your moisturizer.
  • Gently press 2-3 drops of the serum into your skin and wait a minute ⏳for it to soak in.
  • Apply the serum on clean and dry skin since your skin is not sensitive.
  • Always do a patch test before using the serum for the first time, and avoid the eye area .

Questions and answers

What makes IT Cosmetics Bye Bye Dark Spots Serum a great fit for combination skin?

IT Cosmetics Bye Bye Dark Spots Serum is a great fit for your combination skin because it uses niacinamide and salicylic acid to control oil and gently exfoliate your oily shine. It also includes 3-O-Ethyl Ascorbic Acid to brighten and even out your skin tone while glycerin keeps it comfortable and safe from irritation.

Polymers, 2023Clinical, Cosmetic and Investigational Dermatology, 2017

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

This serum is a great fit for your combination skin because niacinamide and salicylic acid help control extra oil and smooth out texture. Additionally, 3-O-Ethyl Ascorbic Acid brightens your complexion and evens out your skin tone.

Polymers, 2023Free Radical Biology & Medicine, 2025

What does Niacinamide do for combination skin?

Niacinamide helps balance oily areas by reducing excess shine and pore size while keeping dry patches hydrated and smooth. It also works to calm redness and even out skin tone, making it very suitable for combination skin.

The British Journal of Dermatology, 2002Antioxidants, 2021

What does 3-O-Ethyl Ascorbic Acid do for combination skin?

3-O-Ethyl Ascorbic Acid helps brighten combination skin and fade dark spots while protecting against sun and environmental damage. This stable form of vitamin C is unlikely to cause irritation and supports an even, smooth skin tone.

Polymers, 2023Free Radical Biology & Medicine, 2025

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

This serum goes in the evening routine, applied after cleansing and before your moisturizer. Putting it in the evening keeps things simple and helps avoid any extra sensitivity around sun exposure.

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

You can use this serum with retinol by applying your retinol at night and using this brightening treatment at a different time, or alternating nights to keep your skin calm and comfortable. This approach helps you avoid irritation from combining strong ingredients while still getting the smoothing and glow benefits.

How often should I use this serum?

This serum is a great fit for your combination skin, and you can apply it in your evening routine. Start using exfoliating treatments once a week, and if your skin feels comfortable and you see good results, you can carefully use them more often.

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

This serum is unlikely to clog pores or cause breakouts on your combination skin because it contains ingredients like niacinamide and salicylic acid that help balance oil and keep pores clear. It may cause mild purging when you first start using it due to the gentle exfoliation, but it has a very safe profile with soothing glycerin to keep irritation low.

Clinical, Cosmetic and Investigational Dermatology, 2017Free Radical Biology & Medicine, 2025

Is this serum fragrance-free and alcohol-free?

It has no drying alcohol and contains fragrance (limonene, geraniol, and citronellol).

What the research says

  • A multi-component dissolving microneedle patch loaded with glabridin, 3-O-ethyl-L-ascorbic acid, and tranexamic acid effectively reduced chloasma and age spots while demonstrating safety in clinical evaluation, alongside significant antioxidant, anti-tyrosinase, and melanin-reduction effects in vitro and in vivo.

    Polymers, 2023
  • Concurrent treatment with 3-O-ethyl ascorbic acid and cannabigerol in UVB-irradiated human keratinocytes prevents membrane structure alterations, promotes cell survival, enhances antioxidant enzyme activity and GSH- and Trx-dependent systems, reduces lipid and protein oxidative modifications, and exerts anti-inflammatory effects.

    Free Radical Biology & Medicine, 2025
  • Liposomal formulation of 3-O-ethyl-L-ascorbic acid enhanced skin retention and reduced UV-induced extracellular matrix degradation in skin explants compared to free EAA.

    Journal of Liposome Research, 2025
  • 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
  • Topical post-laser application of human adipocyte-derived mesenchymal stem cell media combined with niacinamide significantly improved wrinkle index, melanin index, patient satisfaction, and investigator esthetic improvement scores compared to vehicle cream in patients with aging skin.

    Journal of Cosmetic Dermatology, 2021
  • Topical nicotinamide prevented solar-simulated UV-induced immunosuppression in healthy volunteers, and men experienced immunosuppression at solar-simulated UV doses three times lower than those required for women.

    The Journal of Investigative Dermatology, 2008
  • Topical 5% niacinamide applied twice daily for 12 weeks reduced fine lines and wrinkles, hyperpigmented spots, red blotchiness, and skin sallowness, and improved skin elasticity compared to vehicle control in 50 female white subjects with facial photoaging.

    Dermatologic Surgery, 2005
  • Topical application of 5% vitamin C cream significantly improved global clinical scores, increased skin microrelief density, and induced elastic tissue repair in photoaged skin compared to excipient control in healthy female volunteers.

    Experimental Dermatology, 2003
  • Ascorbic acid 2-glucoside gel significantly reduced gingival melanin pigmentation after 4 weeks compared to placebo in 73 subjects with symmetric pigmentation.

    Journal of Periodontology, 2009
  • Topical application of VC-IP cream twice daily for 8 weeks reduces periorbital wrinkles in female subjects compared to a placebo cream.

    Journal of Cosmetic Dermatology, 2022
  • 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
  • The emollient V0034CR significantly reduced TEWL compared to vehicle and vehicle plus glycerol, and significantly increased corneometry scores compared to vehicle and vehicle plus petrolatum in healthy volunteers with dry skin, demonstrating combined barrier function improvement from petrolatum and hydration improvement from glycerol.

    Journal of Cosmetic Dermatology, 2020
  • Ten days of treatment with a cream containing 20% glycerin significantly increased skin hydration measured by corneometer values in 17 healthy volunteers compared to a placebo cream, but showed no influence on transepidermal water loss or skin sensitivity to an irritating surfactant.

    International Journal of Cosmetic Science, 2001
  • Niacinamide/glycerin body moisturizers provided better rapid and prolonged improvement of cosmetic xerosis through functional improvement of stratum corneum barrier function compared to no treatment and conventional moisturizers in female subjects.

    Journal of Drugs in Dermatology, 2012
  • A topical cosmetic slimming product containing tetrahydroxypropyl ethylenediamine, caffeine, carnitine, forskolin and retinol significantly reduced body circumferences and improved skin aspect compared with placebo in 78 women over 12 weeks.

    International Journal of Cosmetic Science, 2011
  • Topical sunscreen formulations containing caffeine combined with UV filters increased in vivo anti-UVB protection by approximately 25% and showed higher SPF values compared to caffeine-free sunscreen, while being well tolerated by the skin of healthy subjects.

    Frontiers in Physiology, 2019
  • Caffeine gel combined with choline geranate showed high skin permeation capacity and superior clinical results in cellulite treatment compared to caffeine gel without ionic liquid.

    AAPS PharmSciTech, 2021

Ingredients

Water, Propylene Glycol, Glycerin, Niacinamide, Peg Ppg Polybutylene Glycol-8 5 3 Glycerin, Hydroxypropyl Tetrahydropyrantriol, Caffeine, 3-O-Ethyl Ascorbic Acid, Citric Acid, Phenoxyethanol, Ppg-6-Decyltetradeceth-30, Salicylic Acid, Xanthan Gum, Sodium Citrate, Hydroxyethylcellulose, Potassium Hydroxide, Disodium Edta, Limonene, Geraniol, Citronellol, Tocopherol

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.

How does it fit your skin?

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