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Kiehl's Daily Refining Milk-Peel Toner for mature skin

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

Kiehl's Daily Refining Milk-Peel Toner

High

  • SuperiorNormal Skin Fit
  • HighEffectiveness
  • ExcellentSafety

A great choice for mature skin; a few toners fit it even 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

  • Offers excellent exfoliation for your normal skin, as Lipo-Hydroxy Acid and Lactic Acid work to smooth texture and promote skin renewal for wrinkles and fine lines.
  • Prunus Amygdalus Dulcis Milk and Anthemis Nobilis Oil Flower provide soothing benefits, enhancing comfort for your skin.
  • The formula is safe for your normal skin, with no risks of irritation due to the absence of harsh ingredients.

How to apply

  • Use this exfoliating toner as part of your PM routine once a week to start , then increase frequency carefully if your skin feels comfortable.
  • Apply this product after cleansing and before your moisturizer to ensure it works effectively.
  • Gently press 2-3 drops of the exfoliating toner into your skin and let it absorb fully ⏳.
  • Apply the exfoliating toner on clean, dry skin for the best results since your skin is normal and not sensitive.
  • Avoid the sensitive eye area and always use SPF daily while using exfoliating active ingredients.

People Say

★4.7Overall rating based on 1.1k+ reviews

Based on a very large amount of data, this toner is highly praised for delivering a radiant "glass skin" appearance and refining skin texture through gentle daily exfoliation. Its hydrating, milky formula is frequently recommended for dry and sensitive skin types, leaving it feeling soft and moisturized. Some users with oily or acne-prone skin have noted a sticky or heavy residue, and a small number experienced breakouts. The product is also considered expensive by many, with occasional reports of packaging issues.

Highlights

  • Instant glow Mostly Mentioned
    • “Instantly glowing, smooth and hydrated skin”
    • “Leaves my skin gleaming”
    • “Instant satisfaction and radiance”
  • Gentle exfoliation Often Mentioned
    • “Gentle enough for daily use”
    • “No redness or patches”
    • “Weak as gnat's wee but effective”
  • Hydrating formula Often Mentioned
    • “Major hit of hydration”
    • “Never felt dry or sensitive”
    • “Leaves skin soothed and comforted”
  • Smoothes texture Sometimes Noted
    • “Refines and smoothes”
    • “Bumpy feeling around nose is gone”
    • “Skin feels silky smooth”
  • Expensive product Sometimes Noted
    • “Gawked at the price”
    • “It's pricey”
    • “Expensive but lasts a long time”
  • Sticky residue Sometimes Noted
    • “Finish feels slightly oily”
    • “Super sticky after application”
    • “Can't get past the milky texture”
  • Caused breakouts Rarely Noted
    • “Got one of the biggest breakouts”
    • “Small blemishes the day after”
    • “Might be too aggressive for some”
  • Packaging issues Rarely Noted
    • “Product has evaporated”
    • “Closed bottle no breakage but empty”
    • “Leaked in transit”

Sources: lovi.care, boots.com, kiehls.com, sephora.com, ulta.com, spacenk.com, and more

Questions and answers

What makes Kiehl's Milk-Peel Toner a great fit for mature skin?

This toner is a great fit because Lipo-Hydroxy Acid and Lactic Acid work to smooth texture and renew your skin for fine lines and wrinkles. Almond milk and chamomile oil help soothe your skin and enhance comfort.

Journal of Cosmetic Dermatology, 2008

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

Lipo-Hydroxy Acid and Lactic Acid make this toner a great fit by smoothing texture and helping with wrinkles and fine lines, while almond milk and chamomile flower oil soothe and comfort your skin.

Journal of Cosmetic Dermatology, 2008Medicina Oral, Patologia Oral Y Cirugia Bucal, 2011

What does Capryloyl Salicylic Acid do for mature skin?

Capryloyl salicylic acid helps smooth out fine lines and wrinkles while fading dark spots on mature skin. Clinical studies show it works as effectively as other standard chemical peels to improve skin texture and tone.

Journal of Cosmetic Dermatology, 2008

What does Lactic Acid do for mature skin?

Lactic acid helps mature skin by boosting firmness and smoothing out rough texture through increased collagen production. It also helps lock in moisture and brightens dark spots for a more youthful appearance.

International Journal of Biological Macromolecules, 2024Frontiers in Medicine, 2021

Where does this toner go in a skincare routine for mature skin?

This exfoliating toner fits into your weekly routine as an exfoliating step once a week, and you can carefully use it more often if you tolerate it well and see good results. Lipo-hydroxy acid and lactic acid work together to smooth texture and reduce fine lines, while almond milk and chamomile oil help keep your skin calm and comfortable.

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

You can use this toner with retinol by using them on alternate nights or separating them into different routines to help prevent irritation. Using exfoliating acids alongside retinol may increase dryness and sensitivity, so listening to your skin is key.

How often should I use this toner?

Start by using this exfoliating toner once a week, and if your skin feels comfortable and you see good results, you can carefully use it more often. The formula is very safe for mature skin and helps smooth texture and soften fine lines without irritation.

Journal of Cosmetic Dermatology, 2021Journal of Cosmetic Dermatology, 2024

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

This toner is unlikely to cause breakouts for mature skin, as only a small number of reviewers mention pimples and the formula has a safe profile without harsh ingredients. Lipo-hydroxy acid and lactic acid help smooth texture and renew mature skin while keeping pores clear.

Journal of Cosmetic Dermatology, 2008

Is this toner fragrance-free and alcohol-free?

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

What the research says

  • Capryloyl salicylic acid peel reduced fine lines, wrinkles, and hyperpigmentation comparably to glycolic acid peel in 44 female volunteers, with no statistically significant differences between the two treatments.

    Journal of Cosmetic Dermatology, 2008

  • Combining a salicylic acid and lipohydroxy acid facial serum and mask improved closed comedones and acne severity significantly more than serum alone in adults with acne over 8 weeks, with no adverse reactions reported.

    Journal of Cosmetic Dermatology, 2023

  • Parity was demonstrated between an OTC BPO 5.5% formulation with lipohydroxy acid and tretinoin cream 0.025% versus prescription clindamycin 1%-BPO 5% gel and tretinoin cream 0.025% in participants with mild to moderate acne vulgaris at 12 weeks.

    Cutis, 2012

  • Application of a cream containing lactic acid 12% and pramoxine HCl 1% significantly improved skin dryness, hydration, and itch compared with a nontreated control in 24 women with a history of dry itchy skin.

    Cutis, 2004

  • Topical 12% ammonium lactate produced a significant sparing of epidermal and dermal atrophy induced by clobetasol propionate in human volunteers, without influencing the corticosteroid's bioavailability or antiinflammatory properties.

    Journal of the American Academy of Dermatology, 1992

  • A lactic acid/ceramide lotion significantly improved skin moisturization and desquamation compared to no treatment in women with dry, rough skin on the anterior shins.

    The Journal of Clinical and Aesthetic Dermatology, 2020

  • Squalane at 0.005-0.015% counteracts UVA-induced oxidative stress, inflammation, and collagen metabolism inhibition while stimulating fibroblast migration in human dermal fibroblasts.

    Molecules, 2025

  • Plant-derived squalane protected human dermal fibroblasts against UVA-induced damage by counteracting ROS formation, suppressing apoptosis-related proteins p53, caspase-3, caspase-9, and PARP, and restoring the pro-survival p-Akt/mTOR pathway.

    Antioxidants, 2025

  • 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

Ingredients

Lipo-Hydroxy Acid Lha, Emollients, Prunus Amygdalus Dulcis Milk, Water, Hydrogenated Polydecene, Caprylic Capric Triglyceride, Squalane, Cartamus Tinctorius Safflower Seed Oil, 1,2-Hexanediol, Peg-6 Caprylic Capric Glycerides, Peg-40 Glyceryl Cocoate, Phenoxyethanol, Sodium Coceth Sulfate, Capryloyl Salicylic Acid, Tromethamine, Ethylhexylglycerin, Citrus Nobilis Mandarin Orange Peel Oil, Adenosine, Limonene, Caprylyl Glycol, Anthemis Nobilis Oil Flower, Cupressus Sempervirens Oil Nut Leaf Stem, Prunus Amygdalus Dulcis Sweet Almond Seed Extract, Benzyl Alcohol, Xanthan Gum, Silybum Marianum Extract, Tocopherol, Dehydroacetic Acid, Lactic Acid

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

How does it fit your skin?

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How does it fit your skin?

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

QR code: get the Lovi app
Download on theApp Store Get it onGoogle Play