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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 notable skincare lines offering thoughtful moisturizers, serums, toners, and eye products designed for varied complexions. The American brand is celebrated for nourishing glycerin and squalane, suiting combination skin and dark spots best through targeted formulations like the Calendula Herbal-Extract Toner, Calendula Deep Cleansing Foaming Face Wash, and Ultra Facial Toner. Meanwhile, Allies of Skin relies on powerhouse niacinamide to support dry and acne-prone skin with luxurious treatments such as the Molecular Saviour Probiotics Treatment Mist, Peptides & Antioxidants Firming Daily Treatment, and Peptides & Omegas Firming Eye Cream. While both brands deliver effective hydration and clarity, Kiehl's emphasizes classic barrier support and antioxidant defense, whereas its counterpart focuses on advanced multi-corrective peptide and antioxidant infusions.

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”

Kiehl's vs Allies of Skin routines for dry skin

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Kiehl's vs Allies of Skin routines for oily skin

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Kiehl's vs Allies of Skin routines for combination skin

See multi-brand routine · 96% fit

Questions and answers

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

Allies of Skin is better suited overall, offering superior routine fit levels across all skin types compared to Kiehl's. Reviewers find that Allies of Skin does better at fading dark spots and brightening, and every product on the page lists no fragrance.

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

Allies of Skin achieves Superior routine fit levels across all skin types, whereas Kiehl's generally reaches High fit levels. Allies of Skin is noted for fading dark spots and visible plumping, while Kiehl's offers lightweight textures and absorption.

Kiehl's or Allies of Skin for dry skin?

Allies of Skin achieves a Superior routine fit for dry skin, whereas Kiehl's achieves a High fit. Every product on the Allies of Skin page lists no fragrance, while two Kiehl's products contain fragrance.

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

Allies of Skin is a better fit for moisturizers, as the products on this page achieve a Superior routine fit for dry skin compared to Kiehl's High fit level. Allies of Skin moisturizers are mostly mentioned by reviewers as gentle and effective, and every product on this page lists no fragrance.

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

Both Kiehl's and Allies of Skin face reviews highlighting a high price point. However, Kiehl's is often noted by reviewers for having a high price point as a negative theme, while Allies of Skin also features a high price point in its reviewer feedback.

Which brand has more fragrance-free products, Kiehl's or Allies of Skin?

Allies of Skin has more fragrance-free products since every product on their page lists no fragrance, whereas 26 out of 28 Kiehl's products are fragrance-free. Allies of Skin ensures all of its formulations are completely free of added scents.

Which brand is better for fading dark spots and brightening, Kiehl's or Allies of Skin?

Allies of Skin does better for fading dark spots and brightening than Kiehl's. Niacinamide helps reduce cutaneous pigmentation and suppress melanosome transfer.

The British Journal of Dermatology, 2002

What are the main negative review themes for Kiehl's compared to Allies of Skin?

The main negative review themes for Kiehl's compared to Allies of Skin include a high price point, ineffective or slow results, burning, stinging, and irritation, and packaging and design issues.

Kiehl's or Allies of Skin for oily skin?

Allies of Skin is superior for oily skin, whereas Kiehl's fit level is high. Allies of Skin relies on fragrance-free formulations, while Kiehl's offers lightweight textures that reviewers say are non-greasy.

Kiehl's or Allies of Skin for sensitive skin?

Both Kiehl's and Allies of Skin offer a High Lovi fit for sensitive skin. Allies of Skin is typically fragrance-free across its range, while Kiehl's includes fragrance in a couple of the products on this page.

Kiehl's or Allies of Skin for acne-prone skin?

Allies of Skin fits acne-prone skin better, achieving a Superior routine fit compared to Kiehl's Average fit. The products on this page from Allies of Skin help deliver calming and effective treatments.

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

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