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Kate Somerville Kx Active Concentrates Bio-Mimicking Peptides Serum for dry sensitive skin

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

Kate Somerville Kx Active Concentrates Bio-Mimicking Peptides Serum

Superior

  • HighDry Skin Fit
  • HighEffectiveness
  • ExcellentSafety

One of the best serums for dry sensitive skin.

This fit is calculated for the concerns frequently associated with dry sensitive skin: flakiness, tightness, redness, fine lines, and wrinkles. 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

  • Excellent suitability for your dry and sensitive skin is achieved through the humectant action of glycerin and sodium hyaluronate, complemented by panthenol for barrier repair, effectively addressing dryness and flakiness.
  • The serum's multiple bio-mimicking peptides, such as sh-oligopeptide-2 and sh-oligopeptide-1, offer superior skin firming and plumping benefits, enhancing overall skin health.
  • The formulation is safe for your skin, containing no harsh ingredients and including soothing components that minimize irritation risk.

How to apply

  • Use this PM routine for your evening skincare. Start using the serum 3 times a week and increase to daily use if your skin feels comfortable.
  • Apply the serum after cleansing and toner, but right before your moisturizer. This step locks in deep hydration for dry skin.
  • Gently press 2-3 drops of the serum into your skin using your palms. Let it absorb completely for a minute ⏱ before applying your next product.
  • Since your skin is sensitive, apply the serum on completely dry skin for better tolerance and less irritation.
  • Avoid the sensitive eye area during application. Always do a patch test before your first use to ensure your skin reacts well.

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 one of the best fits for dry sensitive skin?

This serum is an exceptional fit because sodium hyaluronate and glycerin draw in moisture to tackle dryness, while panthenol helps repair the skin barrier. Additionally, its bio-mimicking peptides firm and plump the skin, and soothing ingredients keep the risk of irritation low.

Clinical, Cosmetic and Investigational Dermatology, 2017The Journal of Dermatological Treatment, 2017

Which ingredients make this serum a good fit for dry sensitive skin?

This serum is an excellent fit for your dry sensitive skin thanks to glycerin and sodium hyaluronate which draw in moisture, along with panthenol to help repair your skin barrier and reduce dryness and flakiness. It also features multiple bio-mimicking peptides that help firm and plump your skin safely without harsh ingredients.

Clinical, Cosmetic and Investigational Dermatology, 2017The Journal of Dermatological Treatment, 2017

What do Bio-Mimicking Peptides do for dry sensitive skin?

Bio-Mimicking Peptides help calm dry sensitive skin by supporting the skin barrier so it holds onto moisture better. This helps make your skin feel soft and smooth while reducing redness and irritation.

What does Hyaluronic Acid do for dry sensitive skin?

Hyaluronic acid is a great fit for dry, sensitive skin because it brings a large boost in hydration, making the skin feel soft and smooth while improving barrier function. It helps calm tightness and dryness, and is unlikely to cause irritation.

Journal of Drugs in Dermatology, 2011Dermatology and Therapy, 2021

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

This serum goes in your evening routine, applied after your soothing toner and before your moisturizer. Using it at night is recommended for simplicity and extra safety around sun exposure.

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

You can use this serum with retinol by applying this treatment first and following with your retinol, or by using them on alternate nights to keep your skin calm and comfortable. The soothing ingredients and barrier-supporting components help minimize irritation and dryness that powerful actives may cause.

Journal of Cosmetic Dermatology, 2024

How often should I use this serum?

Use this serum in your evening routine, applying it after cleansing and toning and before moisturizing. It is safe for daily use on dry and sensitive skin, helping to soothe and hydrate without causing irritation.

Clinical, Cosmetic and Investigational Dermatology, 2017The Journal of Dermatological Treatment, 2017

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

This serum is unlikely to clog pores, cause breakouts, or lead to purging, making it very safe for your dry and sensitive skin. It features soothing components and avoids harsh ingredients to help keep irritation to a minimum.

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

  • 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 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 panthenol-enriched mask significantly decreased erythema and hyperpigmentation, increased sebum and stratum corneum moisture, and reduced transepidermal water loss compared to a saline dressing in 60 subjects undergoing facial laser treatment.

    Journal of Cosmetic Dermatology, 2025

  • 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

  • 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

  • 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

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.

  • 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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