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Kate Somerville Kx Active Concentrates Bio-Mimicking Peptides Serum for oily acne-prone skin

Kate Somerville Kx Active Concentrates Bio-Mimicking Peptides Serum

High

  • HighOily Skin Fit
  • HighEffectiveness
  • ExcellentSafety

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 serum offers excellent plumping and firming benefits for your oily skin, with bio-mimicking peptides and sodium hyaluronate enhancing elasticity and volume. Zinc PCA and glycerin work synergistically to control oiliness and provide essential hydration, making it highly suitable for your skin type.
  • The formula also provides moderate benefits for acne, blemishes, and breakouts by supporting skin regeneration and oil control.
  • The safety profile is excellent, with no risks of irritation due to the absence of harsh ingredients and the inclusion of soothing components like glycerin and panthenol.

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

★4.5Overall rating based on 300+ reviews

Users with mature, dry, or dull skin frequently praise this serum for its ability to visibly smooth fine lines and improve skin elasticity, often describing a "tightening" effect. While many appreciate its lightweight, hydrating texture and lack of irritation, a significant number of reviewers feel the high price tag is not justified by the results, and recent feedback suggests the product may be difficult to find or discontinued.

Highlights

  • Improves skin texture Often Mentioned
    • “Smooths fine lines”
    • “Softens skin”
    • “Evens tone”
  • Lightweight hydration Often Mentioned
    • “Absorbs quickly”
    • “Non-greasy”
    • “Dewy finish”
  • High price Often Mentioned
    • “Better alternatives exist”
  • Firming effect Sometimes Noted
    • “Tighter skin”
    • “Botox in a bottle”
    • “Improves elasticity”
  • Gentle formula Sometimes Noted
    • “Non-irritating”
    • “Safe for sensitive skin”
    • “No breakouts”
  • Availability issues Sometimes Noted
    • “Hard to find”
    • “Discontinued”
    • “Out of stock”
  • Lack of results Sometimes Noted
    • “No visible difference”
    • “Average performance”
    • “Overhyped”
  • Unpleasant scent Rarely Noted
    • “Rancid smell”
    • “Weird odor”
    • “Bad batch”

Sources: lovi.care, influenster.com, dermstore.com, reddit.com, thingtesting.com, and more

Questions and answers

What makes Kate Somerville Bio-Mimicking Peptides Serum a great fit for oily acne-prone skin?

This serum is a great fit because its bio-mimicking peptides, sodium hyaluronate, and zinc PCA work together to control oiliness, plump the skin, and boost elasticity without causing irritation. It also helps manage breakouts by supporting skin regeneration and balancing sebum production.

Molecules, 2022American Journal of Clinical Dermatology, 2002

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

This serum is a great fit for your oily acne-prone skin because bio-mimicking peptides and sodium hyaluronate firm and plump, while zinc PCA and glycerin control oil and provide hydration without irritation. Additionally, mango and spondias pulp extracts help reduce excess oil and support skin clarity.

Molecules, 2022Clinical, Cosmetic and Investigational Dermatology, 2017

What do Bio-Mimicking Peptides do for oily acne-prone skin?

Bio-mimicking peptides help calm oily, acne-prone skin by reducing breakouts and clearing up pustules. With regular use, this ingredient supports a clearer, smoother complexion and has a safe profile for daily routines.

International Journal of Dermatology, 2015

What does Hyaluronic Acid do for oily acne-prone skin?

Hyaluronic acid helps calm oily acne-prone skin by reducing sebum production and lipid synthesis in sebaceous glands. It also supports skin barrier function and improves hydration while helping deliver treatments without causing irritation.

The Journal of Investigative Dermatology, 2017Journal of Cosmetic Dermatology, 2022

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

This serum goes in the evening routine after cleansing and before moisturizing, keeping it simple and safe around sun exposure. It is unlikely to cause irritation because it leaves out harsh ingredients and includes soothing components.

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

You can use this serum with retinol by applying the serum first to give your oily skin lightweight hydration, followed by your retinol. The formula is unlikely to cause irritation due to soothing components like glycerin and panthenol.

American Journal of Clinical Dermatology, 2002

How often should I use this serum?

You can use this treatment in the evening as part of your routine. The formula is very safe for your skin type, and soothing ingredients help make irritation unlikely.

American Journal of Clinical Dermatology, 2002

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

This serum is unlikely to clog pores, cause breakouts, or lead to purging, as it has an excellent safety profile without harsh ingredients that irritate your skin. Its soothing components and oil-controlling ingredients help manage breakouts gently.

American Journal of Clinical Dermatology, 2002Clinical, Cosmetic and Investigational Dermatology, 2017

Is this serum fragrance-free and alcohol-free?

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

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
  • Topical nicotinamide plus an antibacterial adhesive agent and zinc-pyrrolidone carboxylic acid combined with adapalene significantly reduced noninflammatory acne lesions by the second week of therapy compared to placebo with adapalene in patients with moderate acne vulgaris.

    The Journal of Clinical and Aesthetic Dermatology, 2020
  • Mangifera indica extract reduced lipid production by 40% in sebocytes, improved sebum quality and quantity in Caucasian volunteers, reduced porphyrins expression, and decreased C. acnes lipase activity by 29% compared to placebo while protecting microbiota equilibrium.

    Molecules, 2022
  • Topical dexpanthenol acts as a moisturizer, improves stratum corneum hydration, accelerates wound healing and epidermal regeneration, reduces erythema, and improves symptoms of skin irritation compared to vehicle or no pretreatment.

    American Journal of Clinical Dermatology, 2002
  • A new topical panthenol-containing emollient significantly improved transepidermal water loss reduction, stratum corneum hydration, and intercellular lipid lamellae length compared with control in healthy subjects without negatively impacting bacterial viability.

    The Journal of Dermatological Treatment, 2017
  • 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
  • Mangifera indica extract-loaded green nanolipid carriers in topical emulsion amplified overall antioxidant effectiveness and antiaging activity compared to vehicle in human volunteers over three months.

    Biomedicines, 2022
  • Mango butter-based foot care cream repaired worn and cracked skin in all human volunteers and exhibited a significant healing response in rat excision and incision wound models compared to untreated conditions.

    Indian Journal of Pharmaceutical Sciences, 2008
  • A microemulsion system containing Thai mango seed kernel extract showed good physicochemical stability and enhanced skin penetration up to 60-fold higher compared with the control without causing skin irritation or corrosion.

    Molecules, 2014

Ingredients

Water, Ppg-24-Glycereth-24, Glycerin, Propanediol, Spondias Mombin Extract Pulp, Mangifera Indica Extract Pulp, Musa Sapientum Extract Pulp, Acetyl Glutamine, Sodium Hyaluronate, Acer Rubrum Extract, Sh-Polypeptide-1, Sh-Oligopeptide-2, Sh-Oligopeptide-1, Sh-Polypeptide-9, Sh-Polypeptide-11, Panthenol, Cichorium Intybus Leaf Extract, Zinc Pca, Caprylyl Glycol, Glycine Soja Seed Extract Soybean Seed Extract, Lecithin, Sclerotium Gum, Pullulan, 1,2-Hexanediol, Bacillus Folic Acid Extract Ferment, Caprylhydroxamic Acid, Silica, Adenosine, Benzyl Alcohol, Potassium Sorbate, Capryl Glycol, Butylene Glycol, Hexylene Glycol, Disodium Edta, Citric Acid, Sodium Benzoate, Xanthan Gum

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.

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