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ISDIN vs Allies of Skin

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

ISDIN and Allies of Skin are two esteemed skincare lines celebrated for their thoughtful formulas. The Spanish brand founded in 1975 offers elegant moisturizers, advanced sunscreens, restorative serums, and targeted eye products that suit dry and sensitive skin best, with standout solutions like Fusion Water, Eryfotona Actinica, and K-Ox Eyes. Meanwhile, Allies of Skin is known for its moisturizers, serums, and eye products built around hardworking ingredients like niacinamide, which suits dry, sensitive, and uneven skin types best through treatments such as the Molecular Saviour Probiotics Treatment Mist, the Peptides & Antioxidants Firming Daily Treatment, and the Peptides & Omegas Firming Eye Cream. While both lines provide gentle daily comfort and dependable restoration, the former is especially recognized for its sun protection, whereas the latter focuses heavily on improving aging signs and hyperpigmentation.

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 ISDIN and Allies of Skin products; for every product of both brands, with a fit score for your own skin, use the Lovi app.

Popular ISDIN vs Allies of Skin products

People Say

ISDINAllies of Skin
  • Texture and finish Mostly MentionedOften 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”
    • “sinks easily into damp skin — Allies of Skin Tranexamic & Arbutin Advanced Brightening Serum”
  • Hydration and plumping Often MentionedMostly Mentioned
    • “nourished and hydrated — Allies of Skin Peptides & Omegas Firming Eye Cream”
    • “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”
    • “Improved moisture and texture — ISDIN Hyaluronic Moisture”
  • Gentle on sensitive skin Often MentionedOften Mentioned
    • “Sensitive/reactive skin tolerates — ISDIN Hyaluronic Moisture”
    • “no excessive exfoliation — ISDIN Retinal Intense Serum”
    • “doesn't sting eyes — ISDIN Eryfotona Actinica”
    • “Best retinol for sensitive skin — Allies of Skin Retinal & Peptides Repair Night Cream”
  • Smoother skin texture Rarely NotedOften Mentioned
    • “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”
    • “imparts a luminous glow — Allies of Skin Molecular Saviour Probiotics Treatment Mist”
    • “skin was much smoother — ISDIN Retinal Intense Serum”
  • Sun damage repair and aging Sometimes NotedOften Mentioned
    • “fix the fine lines — Allies of Skin Peptides & Omegas Firming Eye Cream”
    • “Tightened the skin in just a few uses — Allies of Skin Peptides & Antioxidants Firming Daily Treatment”
    • “fades dark spots — ISDIN Eryfotona Actinica”
  • Brightening and skin tone Rarely NotedOften Mentioned
    • “gives skin an instant dewy glow — Allies of Skin Tranexamic & Arbutin Advanced Brightening Serum”
    • “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”
    • “My hyperpigmentation has lightened and skin looks more even, even shines more. — ISDIN Flavo-C Serum”
  • High price Often MentionedMostly Mentioned
    • “very expensive — ISDIN Eryfotona Actinica”
    • “My only wish is that ISDIN would make this product in a bigger size bottle. — ISDIN Fusion Water”
    • “high cost — ISDIN K-Ox Eyes”
    • “Pricey — Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum”
  • Fragrance and scent Often MentionedRarely Noted
    • “Distinct rancid smell — Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum”
    • “gives a weird fermented stench — Allies of Skin Tranexamic & Arbutin Advanced Brightening Serum”
    • “smell is overpowering — ISDIN Eryfotona Actinica”
  • Sting eyes and irritation Sometimes NotedSometimes Noted
    • “this did make my eyes water water in the sun. — ISDIN Fusion Water”
    • “mild redness or irritation — ISDIN K-Ox Eyes”
    • “Slightly irritating... when I first started — Allies of Skin Copper Tripeptide & Ectoin Advanced Repair Serum”
    • “rashes popped up on my neck — Allies of Skin Tranexamic & Arbutin Advanced Brightening Serum”

Questions and answers

ISDIN or Allies of Skin: which is better?

ISDIN and Allies of Skin each perform well in different areas, with ISDIN doing better for texture and finish as well as being gentle on sensitive skin, while Allies of Skin does better for hydration and plumping, smoother skin texture, sun damage repair and aging, and brightening and skin tone. Both brands share a high price point.

What is the difference between ISDIN and Allies of Skin?

ISDIN features ultralight, makeup-friendly sunscreens and gentle formulas that Lovi rates as superior for dry and sensitive skin, whereas Allies of Skin focuses on fragrance-free moisturizers and serums that Lovi rates as superior for hydration, firming, and repairing sun damage.

ISDIN or Allies of Skin: which moisturizer is better?

When comparing moisturizers, Allies of Skin is better for hydration and plumping, while ISDIN offers lightweight options that reviewers mostly mention for their ultralight feel. For the products on this page, Allies of Skin features no fragrance across its line, whereas ISDIN includes fragrance in some of its moisturizers.

Which is more affordable, ISDIN or Allies of Skin?

When it comes to affordability, reviewers note that a high price is an issue for both ISDIN and Allies of Skin.

Which causes fewer breakouts, ISDIN or Allies of Skin?

When it comes to breakouts, Allies of Skin features products on this page like Molecular Saviour Probiotics Treatment Mist that Lovi rates as Superior for acne-prone skin. Meanwhile, ISDIN offers options such as Eryfotona Actinica that Lovi rates as High for acne-prone skin.

International Journal of Medical Sciences, 2021Experimental Dermatology, 2019

Between ISDIN and Allies of Skin, which brand is better for gentle application on sensitive skin?

Between ISDIN and Allies of Skin, ISDIN does better for gentle on sensitive skin. Lovi rates Eryfotona Actinica as Superior for sensitive skin.

How do the fragrance options differ between ISDIN and Allies of Skin products?

When it comes to fragrance options, the products on this page from Allies of Skin list no fragrance in their ingredients. In contrast, 3 of the 8 ISDIN products on this page list fragrance.

Which brand performs better for hydration and plumping according to review themes?

According to review themes, Allies of Skin performs better for hydration and plumping among 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

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