Menarini vs Principia
Menarini and Principia are two thoughtful skincare lines known for precise formulas that deliver reliable care. The former is beloved for advanced serums suiting sensitive, dry, and combination skin, with the A-Ret Gel standing out for acne-prone skin, while the latter is widely loved for cleansers suiting balanced to oily skin, featuring the GL-01 for acne-prone skin. Both brands offer tailored solutions that help maintain a healthy, balanced complexion, differing mainly in their core product types and the skin types they suit best.
This page compares some of the most popular Menarini and Principia products; for every product of both brands, with a fit score for your own skin, use the Lovi app.
Questions and answers
Menarini or Principia: which is better?
Menarini achieves a High Lovi fit for oily and oily acne-prone skin with A-Ret Gel, whereas Principia reaches only an Average fit for those skin types with Gel de Limpeza GL-01. Tretinoin helps restore collagen formation in photodamaged human skin.
The New England Journal of Medicine, 1993Archives of Dermatological Research, 2022
What is the difference between Menarini and Principia?
Menarini features A-Ret Gel which Lovi rates High for oily and oily acne-prone skin, while Principia offers products on this page like Gel de Limpeza GL-01 which Lovi rates Average for those same types. Every product on this page from both brands lists no fragrance in its ingredients.
Which is more affordable, Menarini or Principia?
Neither Menarini nor Principia shows price or affordability details on this page.
Which causes fewer breakouts, Menarini or Principia?
For oily acne-prone skin, Menarini's A-Ret Gel on this page earns a High fit, while Principia's Gel de Limpeza GL-01 earns an Average fit. Tretinoin helps treat acne.
Clinical, Cosmetic and Investigational Dermatology, 2020Archives of Dermatological Research, 2022
When were Menarini and Principia founded?
Menarini was founded in 1886, while Principia was founded more recently in 2020.
Do Menarini and Principia products contain fragrance?
Every product on this page from both Menarini and Principia lists no fragrance in its ingredients.
Who owns Menarini and Principia?
Menarini is owned by the Menarini Group, while Principia is owned by Viziera Participa莽玫es Ltda.
Research behind their key ingredients
Restoration of collagen formation in photodamaged human skin by tretinoin (retinoic acid)
Topical tretinoin for treating photoaging: A systematic review of randomized controlled trials
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.
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Co-founder, Medical Director
Cosmetic chemist, cosmetologist, aesthetic products developer
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Co-founder, CEO and CTO
PhD in computer science, 3x US patent holder, ex-Google, ex-Yandex
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Dr. Sof铆a Perea P茅rez, MD, MSc
Medical Board
Aesthetic medicine practitioner, MSc in Longevity and Anti-Aging Medicine
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Medical Board
Specialist dermatologist, MBBS, MD, IFAAD
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Medical Board
Cosmetic chemist, SCS, IFSCC member
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Medical Board, Medical Advisor
Dermatology MD
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Elina Nazarenko, MD
Medical Board
Dermatology and diagnostic consultant
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Victoria Derkova, MS
Medical Board
Cosmetic chemist, cosmetic development technologist
How does it fit your skin?
Scan your face, then any product: Lovi shows how well it fits you and what fits even better.

