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Kiehl's vs ISDIN

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

Kiehl's and ISDIN are well-regarded skincare brands offering gentle daily support that maintains a healthy and balanced complexion. The American brand is loved for its nourishing moisturizers, targeted serums, soothing toners, and gentle eye products formulated with glycerin and squalane, while the Spanish brand is known for its elegant moisturizers, advanced sunscreens, restorative serums, and targeted eye products. Both collections suit dry skin best, with the former also addressing mature skin and the latter providing dependable comfort for sensitive skin. They differ through their thoughtfully balanced formulas, as the first brand focuses on moisture loss and barrier resilience using ingredients that increase hydration and counteract oxidative stress, whereas the second delivers reliable daily protection.

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

loreal.comen.wikipedia.org

ISDIN is a Spanish skincare brand founded in 1975 and owned by Puig.

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

Popular Kiehl's vs ISDIN products

People Say

Kiehl'sISDIN
  • Lightweight and Non-Greasy Texture Often MentionedMostly Mentioned
    • “absorbs instantly — ISDIN Eryfotona Actinica”
    • “ultra-light fluid product, which makes it super easy to apply — ISDIN Fusion Water”
    • “Lightweight formula absorbs fast — ISDIN Hyaluronic Concentrate”
    • “feels like nothing — Kiehl's Better Screen UV Serum”
  • Gentle and Sensitive Skin Friendly Often MentionedOften Mentioned
    • “Sensitive/reactive skin tolerates — ISDIN Hyaluronic Moisture”
    • “no excessive exfoliation — ISDIN Retinal Intense Serum”
    • “doesn't sting eyes — ISDIN Eryfotona Actinica”
    • “experienced zero irritation — Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum”
  • Deep and Intense Hydration Often MentionedSometimes Noted
    • “Keeps skin moisturized for 24+ hours — Kiehl's Ultra Facial Cream”
    • “Feels like a drink of water — Kiehl's Hydro-Plumping Serum Concentrate”
    • “savior for dry patches — Kiehl's Creamy Eye Treatment with Avocado”
    • “Improved moisture and texture — ISDIN Hyaluronic Moisture”
  • Makeup Compatibility Sometimes NotedOften Mentioned
    • “acts like a primer — ISDIN Eryfotona Actinica”
    • “My skin felt sooo hydrated and looks so plump and dewey. — ISDIN Fusion Water”
    • “Great under makeup — ISDIN Hyaluronic Concentrate”
    • “concealer glides on smoothly — Kiehl's Creamy Eye Treatment with Avocado”
  • Skin Barrier and Texture Improvement Often MentionedRarely Noted
    • “leaves skin feeling silky — Kiehl's Powerful-Strength Line-Reducing Concentrate”
    • “skin feels smoother — Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum”
    • “skin looked & felt smoother — Kiehl's Super Multi-Corrective Cream”
    • “skin was much smoother — ISDIN Retinal Intense Serum”
  • Brightening and Dark Spot Fading Sometimes NotedRarely Noted
    • “Acne marks are gone — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “Skin looks radiant — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “faded acne scars — Kiehl's Powerful-Strength Line-Reducing Concentrate”
    • “My hyperpigmentation has lightened and skin looks more even, even shines more. — ISDIN Flavo-C Serum”
  • High Price and Value Issues Mostly MentionedOften Mentioned
    • “pricy daily staple — Kiehl's Ultra Facial Cream”
    • “Very expensive product — Kiehl's Clearly Corrective™ Dark Spot Solution”
    • “very expensive — ISDIN Eryfotona Actinica”
    • “My only wish is that ISDIN would make this product in a bigger size bottle. — ISDIN Fusion Water”
  • Unpleasant Scent and Fragrance Issues Rarely NotedOften Mentioned
    • “smells clinical — Kiehl's Retinol Skin-Renewing Daily Micro-Dose Serum”
    • “faint lab smell — Kiehl's Better Screen UV Serum”
    • “smell is overpowering — Kiehl's Midnight Recovery Concentrate”
    • “smell is overpowering — ISDIN Eryfotona Actinica”
  • Ineffective or Slow Results Sometimes NotedRarely Noted
    • “don't see result — ISDIN K-Ox Eyes”
    • “no noticeable changes yet — ISDIN Retinal Intense Serum”
    • “Did absolutely nothing — Kiehl's Clearly Corrective™ Dark Spot Solution”
  • 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”
    • “this did make my eyes water water in the sun. — ISDIN Fusion Water”
    • “mild redness or irritation — ISDIN K-Ox Eyes”

Kiehl's vs ISDIN routines for dry skin

Buy ISDIN routine · S$466.19 · 93% fitBuy Kiehl's routine · S$209.58 · 92% fitSee multi-brand routine · 99% fit

Kiehl's vs ISDIN routines for oily skin

Buy ISDIN routine · S$700.11 · 91% fitBuy Kiehl's routine · S$287.99 · 90% fitSee multi-brand routine · 96% fit

Kiehl's vs ISDIN routines for combination skin

Buy ISDIN routine · S$562.14 · 92% fitBuy Kiehl's routine · S$287.99 · 90% fitSee multi-brand routine · 97% fit

Questions and answers

Kiehl's or ISDIN: which is better?

Both Kiehl's and ISDIN are great brands, with Kiehl's offering deep hydration and ISDIN providing ultralight sunscreens and gentle care for sensitive skin.

What is the difference between Kiehl's and ISDIN?

Kiehl's focuses on deep hydration and dark spot fading with mostly fragrance-free products, while ISDIN stands out for its ultralight, sensitive-friendly sunscreens.

Kiehl's or ISDIN for dry skin?

Both Kiehl's and ISDIN achieve a Superior Lovi fit level for dry skin. Reviewers note that Kiehl's provides deep hydration, while ISDIN offers lightweight moisturizers.

Kiehl's or ISDIN: which moisturizer is better?

Both brands offer strong moisturizers, with Kiehl's favored for deep hydration and ISDIN for lightweight feel. Reviewers note that Kiehl's provides intense moisture, while ISDIN focuses on ultralight hydration.

Which is more affordable, Kiehl's or ISDIN?

Both Kiehl's and ISDIN frequently get mentioned by reviewers for having a high price point, so neither brand is clearly more affordable.

Which brand has more fragrance-free products, Kiehl's or ISDIN?

Kiehl's has more fragrance-free products than ISDIN, as 26 of its 28 products on this page list no fragrance compared to only 3 of 8 products for ISDIN.

Which brand is better suited for fading dark spots, Kiehl's or ISDIN?

ISDIN is better suited for fading dark spots, as Lovi rates its routine fit for skin with dark spots as Superior while Kiehl's is High.

Where were Kiehl's and ISDIN founded?

Kiehl's was founded in the United States, whereas ISDIN was founded in Spain.

Kiehl's or ISDIN for oily skin?

Both Kiehl's and ISDIN are a Superior fit for oily skin according to Lovi. Kiehl's offers targeted oily skin routines like the Calendula Deep Cleansing Foaming Face Wash, while ISDIN features lightweight sunscreens such as Fusion Water.

Kiehl's or ISDIN: which sunscreen is better?

ISDIN does better than Kiehl's for sunscreen on this page, with top picks like Eryfotona Actinica earning a Lovi fit level of Superior for sensitive and mature skin.

Kiehl's or ISDIN for sensitive skin?

Both Kiehl's and ISDIN are great for sensitive skin, with Lovi rating both brands as having a Superior routine fit. ISDIN does better for gentle and sensitive skin friendliness, while Kiehl's features fragrance-free options in nearly all the products on this page.

Kiehl's or ISDIN for acne-prone skin?

ISDIN offers a Superior routine fit for acne-prone skin, whereas Kiehl's provides a High routine fit. Reviewers often mention ISDIN for ultralight sunscreens and lightweight moisturizers.

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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