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Isntree TW-Real Bifida Ampoule for oily acne-prone skin

High

  • HighOily Skin Fit
  • HighEffectiveness
  • HighSafety

A great choice for oily acne-prone skin; a few serums fit it even better.

This fit is calculated for the concerns frequently associated with oily acne-prone skin: shine, breakouts, blemishes, and enlarged pores. 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

  • This formulation offers high suitability for your oily skin, with niacinamide and willow bark extract effectively regulating sebum and providing mild exfoliation to address acne, blemishes, and breakouts. Bifida Lysate Ferment and Beta-Glucan work synergistically to significantly enhance your skin barrier resilience.
  • The inclusion of Lactobacillus Pumpkin Extract Ferment and Lactobacillus Soybean Extract Ferment further supports skin health and hydration, complementing the primary actives.
  • The product demonstrates a strong safety profile, featuring soothing ingredients like Allantoin and Bifida Lysate Ferment, ensuring no irritation for your oily skin.

How to apply

  • Could be used as part of your PM routine. Start 3 times a week and build up to daily use if your skin tolerates it well.
  • Apply your serum after cleansing and toning, but before putting on your moisturizer.
  • Gently press 2 to 3 drops of the serum into your skin and let it absorb for a minute.
  • Apply the serum on clean, dry skin to help manage your blemishes safely.
  • Do a patch test before your first use and avoid the delicate eye area.

People Say

★4.7Overall rating based on 1.4k+ reviews

Based on a very large amount of data, users consistently praise this ampoule for its ability to strengthen the skin barrier and provide deep hydration without heaviness, resulting in a "glass skin" glow and smoother texture. It is highly effective for sensitive and dry skin types seeking anti-aging benefits. A small minority of users with acne-prone or very oily skin experienced minor breakouts or found the finish slightly tacky.

Highlights

  • Lightweight & fast absorbing Mostly Mentioned
    • “watery consistency and absorbs really well”
    • “absorbs quickly without feeling sticky”
    • “lightweight, watery texture AND scentless”
    • “glides on so smoothly”
  • Hydrating & plumping Often Mentioned
    • “keeps my skin hydrated until the afternoon”
    • “skin look so plump and hydrated”
    • “adds a healthy glow”
    • “wake up with silky smooth skin”
  • Strengthens skin barrier Often Mentioned
    • “skin barrier felt stronger after consistent use”
    • “significant effect on reducing irritation and redness”
    • “skin feels more resilient and feeling super soft”
    • “calm irritation over time”
  • Gentle & non-irritating Sometimes Noted
    • “so gentle and user friendly”
    • “no bad reaction”
    • “completely no alcohol in ingredient list”
    • “didn't irritate my skin”
  • No visible results Sometimes Noted
    • “didn't notice any difference”
    • “no drastic results”
    • “hasn't drastically brightened the skin”
    • “seems like my skin doesn't absorb it as well as before”
  • Caused breakouts/irritation Rarely Noted
    • “painful but barely visible pimples appeared”
    • “applying it every day led to some breakouts”
    • “feels a bit stingy if applying when the skin feels sensitised”
  • Texture/finish issues Rarely Noted
    • “sits on the top of my skin”
    • “slight shine... like you've applied oil”
    • “runny texture is like a nasal discharge”
    • “doesn't hold a drop”

Sources: lovi.care, iherb.com, yesstyle.com, reddit.com, glowtheory.co.za, ebay.com, and more

Questions and answers

What makes Isntree TW-Real Bifida Ampoule a great fit for oily acne-prone skin?

This treatment is a great fit for your oily acne-prone skin because niacinamide and willow bark extract help control oil and gently clear breakouts, while bifida lysate ferment and beta-glucan strengthen your skin barrier. It is also very safe and is unlikely to cause irritation.

Journal of Cosmetic Dermatology, 2019Journal of Cosmetic Dermatology, 2021

Which ingredients make this serum a good fit for oily acne-prone skin?

Niacinamide and willow bark extract help regulate oil and gently clear breakouts, making this serum a great fit for your oily skin. Bifida Lysate Ferment and beta-glucan also work together to strengthen your skin barrier and keep it calm.

Journal of Cosmetic Dermatology, 2019Journal of Cosmetic Dermatology, 2021

What does Bifida Ferment Lysate do for oily acne-prone skin?

Bifida Ferment Lysate helps calm oily acne-prone skin by strengthening your skin barrier and lowering irritation. It is unlikely to clog pores and may help keep your skin feeling smooth and balanced.

Journal of Cosmetic Dermatology, 2023Experimental Dermatology, 2010

What does Niacinamide do for oily acne-prone skin?

Niacinamide helps balance oil production, calms redness, and is unlikely to irritate oily, acne-prone skin while improving blemishes. Clinical tests show it reduces excess oil and helps clear up both inflammatory and non-inflammatory acne breakouts.

Journal of Cosmetic and Laser Therapy, 2006Journal of Cosmetic Dermatology, 2024

Where does this serum go in a skincare routine for oily acne-prone skin?

This treatment goes in your evening routine after cleansing and toning, and before moisturizing. Putting it in the evening helps keep your skin safe around sun exposure, and soothing ingredients like allantoin and bifida lysate ferment make it unlikely to cause irritation.

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

You can use this treatment with retinol by applying the treatment first in your evening routine, followed by your retinol. This approach helps control oil and clear breakouts while keeping your skin calm, as the soothing ingredients are unlikely to cause irritation.

How often should I use this serum?

This treatment is meant to be used in the evening for your oily acne-prone skin. It is a great fit because it helps control oil and soothe blemishes without causing irritation, while strengthening your skin barrier.

Clinical, Cosmetic and Investigational Dermatology, 2023Journal of Cosmetic Dermatology, 2019

Can it clog pores, cause breakouts or purging for oily acne-prone skin?

This treatment is unlikely to clog pores or cause breakouts for your oily skin, as it features soothing ingredients that help keep irritation low and safety high. Willow bark extract gently exfoliates to help prevent breakouts, while a few reviewers still mention occasional breakouts.

Journal of Cosmetic Dermatology, 2019Journal of Cosmetic Dermatology, 2023

Is this serum fragrance-free and alcohol-free?

Yes, it has no fragrance and no drying alcohol.

What the research says

  • 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
  • Skin care regimens containing beta-glucan improved hemoglobin index, skin hydration, and transepidermal water loss compared to vehicle control in 20 patients undergoing fractional laser therapy.

    Journal of Cosmetic Dermatology, 2021
  • Topical application of Bifida Ferment Lysate strengthens the skin barrier function by upregulating barrier and antimicrobial peptide genes, exhibiting strong antioxidant properties, and decreasing inflammatory cytokine secretion in vitro.

    Journal of Cosmetic Dermatology, 2023
  • 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 0.1% hyaluronic acid formulations of different molecular weights led to significant improvements in skin hydration and elasticity, with low-molecular-weight formulations also significantly reducing wrinkle depth in seventy-six female subjects compared to a vehicle control.

    Journal of Drugs in Dermatology, 2011
  • Topical application of hyaluronic acid in conjunction with free gingival graft significantly reduced donor site postoperative pain until day 7 compared to normal saline, with no significant differences in graft dimensions or patient satisfaction.

    Clinical Oral Investigations, 2022
  • Treatment with a hyaluronic acid-containing mouth rinse or topical gel led to significant lesion reduction, pain relief, and normalization of lesion color in adult patients with minor recurrent aphthous stomatitis, with the gel formulation showing an earlier healing onset at 3 days.

    BMC Oral Health, 2019
  • Topical application of TAC/Collagen postbiotics gel improved skin moisture score and inflammation index, and reduced porphyrins and brown spots in 20 volunteers with acne vulgaris.

    Journal of Cosmetic Dermatology, 2022
  • Topical collagen tripeptide application improved skin wrinkles, elasticity, and density while reducing advanced glycated end products in 22 Asian women over 4 weeks.

    International Journal of Molecular Sciences, 2022
  • Marine collagen extracted from Greenland halibut skin showed a non-cytotoxic effect on fibroblast cells and provided a slight skin hydration effect when incorporated into cosmetic hydrogel formulations at dosages of 0.1, 0.25, and 0.5% in 23 healthy volunteers.

    Marine Drugs, 2023
  • Topical copper tripeptide complex on CO2 laser-resurfaced skin caused no significant reduction in erythema or objective improvement in wrinkles compared to controls, but significantly increased patient satisfaction regarding overall skin quality.

    Archives of Facial Plastic Surgery, 2006
  • A novel regimen combining a hydroxy acid-based scrub and copper tripeptide serum significantly reduced adherent scalp flaking by 61.24%, increased hair density by 12.48%, increased hair thickness by 25.36%, and improved scalp skin hydration by 76.24% in adults with mild to moderate dandruff over 15 days.

    Cureus, 2024
  • The combination of Thermus thermophilus and Bacillus subtilis mixed-culture ferment extract and copper tripeptide-1 GHK-Cu reduced inflammatory cytokines, protected skin explants from UV-induced damage, and improved wrinkles and skin barrier conditions compared to individual components or controls.

    Skin Research and Technology, 2026

Ingredients

Bifida Lysate Ferment, Dipropylene Glycol, Niacinamide, Glycerin, Lactobacillus Pumpkin Extract Ferment, Lactobacillus Soybean Extract Ferment, Rice Ferment Filtrate Sake Ferment Filtrate, Sodium Hyaluronate, Hydrolyzed Collagen, Willow Bark Extract, Origanum Vulgare Leaf Extract, Cinnamomum Cassia Bark Extract, Portulaca Oleracea Extract, Chamaecyparis Obtusa Leaf Extract, Beta-Glucan, Palmitoyl Oligopeptide, Copper Tripeptide-1, Acetyl Hexapeptide-8, Allantoin, Hydroxyethylcellulose, Panthenol, Carbomer, Arginine, Butylene Glycol, Scutellaria Baicalensis Root Extract, Illicium Verum Fruit Extract Anise Fruit Extract, Adenosine, 1,2-Hexanediol, Disodium Edta

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?

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