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Good Molecules vs Principia

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

Good Molecules and Principia are two skincare brands widely loved for their thoughtful ranges of cleansers, serums, moisturizers, eye products, exfoliants, and precise formulas. Good Molecules is an American brand founded in 2019 and owned by Beautylish, Inc. that is carefully formulated with glycerin and hyaluronic acid, whereas Principia focuses on maintaining a healthy, balanced complexion. The first brand suits dry skin and acne-prone skin best, featuring standout options like the Overnight Exfoliating Treatment, the Sheer Mineral Sunscreen SPF 30, and the Yerba Mate Wake Up Eye Gel, while the second brand suits balanced to oily skin best with standout products like the Gel de Limpeza GL-01. They differ because the first brand uses glycerin to improve hydration and restore barrier function and hyaluronic acid to lengthen the effect of wrinkle-reducing toxins, while both brands address diverse moisture and clarity needs through their gentle formulations.

Good Molecules is an American skincare brand founded in 2019 and owned by Beautylish, Inc..

beautymatter.comgoodmolecules.compitchbook.compreqin.com

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

Popular Good Molecules vs Principia products

Questions and answers

Good Molecules or Principia: which is better?

Good Molecules offers a much wider range of products that are fragrance-free and fit dry, acne-prone, and mature skin best. Reviewers note that its serums are affordable and help fade dark spots while improving skin texture.

The British Journal of Dermatology, 2002Antioxidants, 2021

What is the difference between Good Molecules and Principia?

Good Molecules offers a wide variety of fragrance-free products that Lovi rates best for dry, acne-prone, and mature skin, whereas Principia features only a single cleanser on this page.

Good Molecules or Principia: which cleanser is better?

Good Molecules Hydrating Facial Cleansing Gel has an average to high Lovi fit across skin types, whereas Principia Gel de Limpeza GL-01 ranges from average to caution for dry skin.

Which is more affordable, Good Molecules or Principia?

Good Molecules offers a wide range of affordable and great value serums and moisturizers, whereas the Principia products on this page do not highlight affordability or have extensive review data regarding price.

Which causes fewer breakouts, Good Molecules or Principia?

Good Molecules offers a wide range of products with varying fit levels for acne-prone skin, whereas Principia features only a single cleanser on this page that has a low fit for acne-prone skin. Reviewers note that Good Molecules products can sometimes cause breakouts, but the page does not provide enough comparative data to determine which brand causes fewer breakouts.

When were Good Molecules and Principia founded and who owns them?

Good Molecules was founded in 2019 in the United States and is owned by Beautylish, Inc., while Principia was founded in 2020 and is owned by Viziera Participações Ltda.

How many products are listed for Good Molecules versus Principia on the comparison page?

Good Molecules offers 19 products on this comparison page, whereas Principia lists only 1 product.

Which brand offers products containing key ingredients like glycerin and hyaluronic acid with no fragrance?

Good Molecules offers products on this page containing key ingredients like glycerin and hyaluronic acid with no added fragrance. Hyaluronic acid helps hydrate the skin and improve its quality.

Dermatologic Therapy, 2022

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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