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Kiehl's vs Allies of Skin

Rated by Lovi · Unbiased, science-based skincare AI trained on real user outcomes · How the Fit score works

Kiehl's and Allies of Skin are skincare brands that offer nourishing moisturizers, targeted serums, and soothing treatments. The American brand is loved for formulations featuring glycerin and squalane that suit dry and mature skin, while the second brand is known for hardworking ingredients like niacinamide that suit dry, sensitive, and uneven skin types. Both brands differ in their specific ingredient focus, allowing Kiehl's to address barrier resilience and Allies of Skin to improve skin aging signs and decrease hyperpigmentation.

Kiehl's is an American skincare brand founded in 1851 and owned by L'Oréal S.A. since 2000.

loreal.comen.wikipedia.org

This page compares some of the most popular Kiehl's and Allies of Skin products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular Kiehl's vs Allies of Skin products

People Say

Kiehl'sAllies of Skin
  • Deep hydration and moisturization Often MentionedOften Mentioned
    • “Keeps skin moisturized for 24+ hours — Kiehl's Ultra Facial Cream”
    • “Feels like a drink of water — Kiehl's Hydro-Plumping Serum Concentrate”
    • “nourished and hydrated — Allies of Skin Peptides & Omegas Firming Eye Cream”
    • “more like a spray serum — Allies of Skin Molecular Saviour Probiotics Treatment Mist”
  • Lightweight texture and absorption Mostly MentionedSometimes Noted
    • “feels like nothing — Kiehl's Better Screen UV Serum”
    • “absorbs instantly without residue — Kiehl's Ultra Facial Oil-Free Gel Cream”
    • “Absorbs quickly — Kiehl's Ultra Facial Cream”
    • “sinks easily into damp skin — Allies of Skin Tranexamic & Arbutin Advanced Brightening Serum”
  • Skin barrier and texture improvement Often MentionedOften Mentioned
    • “leaves skin feeling silky — Kiehl's Powerful-Strength Line-Reducing Concentrate”
    • “skin feels smoother — Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum”
    • “Woke up looking well-rested — Allies of Skin Retinal & Peptides Repair Night Cream”
    • “Pores appear to be tighter — Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum”
  • Gentle and non-irritating formula Often MentionedOften Mentioned
    • “experienced zero irritation — Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum”
    • “fragrance-free — Kiehl's Ultra Facial Cream”
    • “Best retinol for sensitive skin — Allies of Skin Retinal & Peptides Repair Night Cream”
    • “feels super soothing, doesn't trigger redness — Allies of Skin Tranexamic & Arbutin Advanced Brightening Serum”
  • Fades dark spots and brightens Sometimes NotedOften Mentioned
    • “scars visibly lightened after I started using this — Allies of Skin Tranexamic & Arbutin Advanced Brightening Serum”
    • “Gives me a nice youthful glow — Allies of Skin Peptides & Antioxidants Firming Daily Treatment”
    • “brightens the undereye — Allies of Skin Peptides & Omegas Firming Eye Cream”
    • “Acne marks are gone — Kiehl's Clearly Corrective™ Dark Spot Solution”
  • Visible plumping Rarely NotedOften Mentioned
    • “more like a spray serum — Allies of Skin Molecular Saviour Probiotics Treatment Mist”
    • “Skin feels hydrated — Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum”
    • “Skin looks noticeably more plump — Kiehl's Hydro-Plumping Serum Concentrate”
  • High price point Mostly MentionedMostly Mentioned
    • “pricy daily staple — Kiehl's Ultra Facial Cream”
    • “Very expensive product — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “overpriced for what it does — Kiehl's Super Multi-Corrective Cream”
    • “Pricey — Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum”
  • Ineffective or slow results Rarely NotedSometimes Noted
    • “Did absolutely nothing — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “Takes months to see — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “results were subtle — Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum”
    • “still not impressed with the results — Allies of Skin Tranexamic & Arbutin Advanced Brightening Serum”
  • Burning, stinging, and irritation Rarely NotedSometimes Noted
    • “burned my face immediately — Kiehl's Rare Earth Deep Pore Cleansing Masque”
    • “stings my face and feels like burning — Kiehl's Super Multi-Corrective Cream”
    • “left my face bright red — Kiehl's Rare Earth Deep Pore Cleansing Masque”
    • “Slightly irritating... when I first started — Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum”
  • Packaging and design issues Rarely NotedSometimes Noted
    • “dipping fingers is unsanitary — Kiehl's Ultra Facial Cream”
    • “Dropper doesn't reach bottom — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “pump head is fixed — Allies of Skin Peptides & Omegas Firming Eye Cream”

Questions and answers

Kiehl's or Allies of Skin: which is better?

Allies of Skin is better for fading dark spots and brightening, whereas Kiehl's provides a lighter texture and faster absorption. Reviewers often mention that Allies of Skin offers effective anti-aging serums, while Kiehl's products on this page frequently draw complaints about a high price point and skin irritation.

The British Journal of Dermatology, 2002

What is the difference between Kiehl's and Allies of Skin?

Kiehl's provides a wider range of cleansers, toners, and treatments with higher Lovi fit levels for oily and acne-prone skin, whereas Allies of Skin focuses heavily on advanced repair and brightening serums with ingredients like niacinamide. Allies of Skin does better at fading dark spots and brightening, while Kiehl's offers a more lightweight texture and absorption across the products on this page.

The British Journal of Dermatology, 2002

Kiehl's or Allies of Skin: which moisturizer is better?

When it comes to moisturizers, Allies of Skin often does better for visible plumping and effective anti-aging, while Kiehl's is known for a lightweight texture and absorption across the products on this page.

Which is more affordable, Kiehl's or Allies of Skin?

Both brands share a high price point as a common drawback noted by reviewers, so neither stands out as clearly more affordable.

Which causes fewer breakouts, Kiehl's or Allies of Skin?

Reviewers note that Kiehl's causes breakouts and skin irritation, whereas Allies of Skin does not have this noted in its review themes.

Between Kiehl's and Allies of Skin, which brand is better for fading dark spots and brightening the skin?

Allies of Skin is better for fading dark spots and brightening the skin, as it does better in this area according to the review themes on this page.

How do the key ingredients in Kiehl's products compare to those in Allies of Skin?

Kiehl's products feature key ingredients such as glycerin, vitamin C, squalane, shea butter, and vitamin E, while Allies of Skin relies on niacinamide.

Which brand offers a wider range of fragrance-free products, Kiehl's or Allies of Skin?

Allies of Skin offers a wider range of fragrance-free products, as every product on its page lists no fragrance. By comparison, Kiehl's includes fragrance in two of the products on this page.

Research behind their key ingredients

Behind this comparison

Lovi compares products by their fit scores, calculated 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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