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Dermalogica vs Principia

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

Dermalogica and Principia are skincare brands known for their thoughtful cleansers, targeted serums, and precise formulas. The American line features ingredients like hyaluronic acid, glycerin, and salicylic acid, while both offerings suit oily skin best. They differ primarily in their active formulations, with Dermalogica also offering nourishing moisturizers and purifying masks to balance excess oil and moisture.

Dermalogica is an American skincare brand founded in 1986 and owned by Unilever since 2015.

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

Popular Dermalogica vs Principia products

Dermalogica vs Principia cleansers

Questions and answers

Dermalogica or Principia: which is better?

Dermalogica offers a much wider selection of products on this page compared to Principia, covering various skin types and concerns with fragrance-free options. Reviewers note that the products on this page help provide intense hydration and soothing moisturizers, though some users mention a high price point.

What is the difference between Dermalogica and Principia?

Dermalogica offers a wide range of fragrance-free cleansers, exfoliants, sunscreens, and targeted treatments that fit oily, combination, and dry skin types, whereas Principia features a very limited selection on this page, represented by a single cleanser with lower fit ratings for many skin types.

Dermalogica or Principia: which cleanser is better?

Dermalogica offers multiple cleansers, such as the Special Cleansing Gel, which Lovi rates as having High fit for dry skin, combination skin, oily skin, and sensitive skin. In contrast, the single Principia cleanser on this page, Gel de Limpeza GL-01, only achieves an Average or Low fit across those same skin types.

Which is more affordable, Dermalogica or Principia?

The products on this page do not provide pricing information to determine whether Dermalogica or Principia is more affordable.

Which causes fewer breakouts, Dermalogica or Principia?

Dermalogica is unlikely to cause breakouts when you choose products on this page tailored to your skin type, whereas Principia lacks sufficient breakout data here.

Between Dermalogica and Principia, which brand was founded earlier?

Dermalogica was founded earlier than Principia, having started in 1986 in the United States compared to Principia's founding in 2020.

How does the product selection for cleansers compare between Dermalogica and Principia based on the page?

Dermalogica provides a wide variety of cleansers with high Lovi fit levels across multiple skin types, whereas the products on this page for Principia include only a single cleanser option. Furthermore, the Dermalogica cleansers generally help support oily, combination, and sensitive skin effectively.

Which brand offers a wider range of products for oily skin according to the Lovi fit levels?

Dermalogica offers a much wider range of products for oily skin, with multiple cleansers, exfoliants, and serums achieving a Superior or High fit level on the products on this page. In contrast, Principia lists only a single cleanser, which achieves an Average fit level for oily skin.

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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