# Principia vs the purest

Page: https://lovi.care/skincare/it/compare/principia-vs-the-purest

The Lovi Fit is the same in every country; only the stores and prices differ, and the ones here are for Italy.

Principia and the purest are two carefully crafted skincare lines known for their thoughtfully composed formulas and reliable daily support. The brand Principia offers thoughtful cleansers with precise formulas that suit balanced to oily skin best, including standout products like the Gel de Limpeza GL-01 for acne-prone skin, which help maintain a healthy, balanced complexion. Meanwhile, the purest is deeply cherished for its gentle moisturizers that suit sensitive, dry, and combination skin best owing to their mild nature. Both brands differ in their primary skin type focus, with the former favoring oilier complexions and the latter catering gracefully to drier and more sensitive skin.

This page compares some of the most popular Principia and the purest products; for every product of both brands, with a fit score for your own skin, [use the Lovi app](https://app.pora.ai/vqqJ/j1xj2b6o?af_sub2=compare&af_sub3=selection_note&af_sub4=pg9237718cca).

### Popular Principia vs the purest products

#### the purest

- [solutions](https://lovi.care/skincare/it/p/the-purest/solutions/for/sensitive-skin) — High fit

#### Principia

- [Gel de Limpeza GL-01](https://lovi.care/skincare/it/p/principia/gel-de-limpeza-gl-01/for/oily-skin) — Average fit

## Questions and answers

### Principia or the purest: which is better?

Neither brand is universally better, as Principia offers average fits across multiple skin types with fragrance-free formulas, whereas the purest provides a high fit for sensitive skin despite containing fragrance in its solutions moisturizer.

### What is the difference between Principia and the purest?

For the products on this page, the purest solutions moisturizer has a High Lovi fit for sensitive skin, whereas Principia products on this page have Average or lower fits across skin types. Additionally, every product on this page from Principia lists no fragrance, while the purest solutions contains fragrance.

### Which is more affordable, Principia or the purest?

This page does not provide pricing or affordability information to compare Principia and the purest.

### Which causes fewer breakouts, Principia or the purest?

For acne-prone skin, the products on this page by Principia have an Average fit level, while the purest has a Low fit level. Principia is fragrance-free, whereas the purest includes fragrance.

### Which brand offers a cleanser suitable for oily skin, Principia or the purest?

Principia offers a cleanser for oily skin on this page, Gel de Limpeza GL-01, which Lovi rates as having an Average fit for oily skin.

### Do products from Principia or the purest contain fragrance?

Principia lists no fragrance in the ingredients for every product on this page. In contrast, the purest includes fragrance in its solutions moisturizer.

### Which company owns the brand Principia and which owns the purest?

Principia is owned by Viziera Participações Ltda., while the purest is owned by Evly Pharma Cosmetics.

## Research behind their key ingredients

- [Benefits of topical hyaluronic acid for skin quality and signs of skin aging: From literature review to clinical evidence](https://pubmed.ncbi.nlm.nih.gov/36200921/) Hyaluronic acid · Dermatologic Therapy, 2022
- [Topical use of dexpanthenol in skin disorders](https://pubmed.ncbi.nlm.nih.gov/12113650/) Panthenol · American Journal of Clinical Dermatology, 2002
- [Moisturizing and Antiinflammatory Properties of Cosmetic Formulations Containing Centella asiatica Extract](https://pubmed.ncbi.nlm.nih.gov/27168678/) Centella asiatica · Indian Journal of Pharmaceutical Sciences, 2016
- [A Double-Blinded, Randomized, Vehicle-Controlled Study of the Efficacy of Moisturizer Containing Licochalcone A, Decanediol, L-Carnitine, and Salicylic Acid for Prevention of Acne Relapse in Asian Population](https://pubmed.ncbi.nlm.nih.gov/33150170/) Salicylic acid · BioMed Research International, 2020
- [A new topical panthenol-containing emollient: Results from two randomized controlled studies assessing its skin moisturization and barrier restoration potential, and the effect on skin microflora](https://pubmed.ncbi.nlm.nih.gov/27425824/) Panthenol · The Journal of Dermatological Treatment, 2017
- [High molecular compounds (polysaccharides and proanthocyanidins) from Hamamelis virginiana bark: influence on human skin keratinocyte proliferation and differentiation and influence on irritated skin](https://pubmed.ncbi.nlm.nih.gov/11684194/) Witch hazel · Phytochemistry, 2001
- [Systematic Study of Paeonol/Madecassoside Co-Delivery Nanoemulsion Transdermal Delivery System for Enhancing Barrier Repair and Anti-Inflammatory Efficacy](https://pubmed.ncbi.nlm.nih.gov/37446936/) Centella asiatica · Molecules, 2023
- [Efficacy of a multitargeted, salicylic acid-based dermocosmetic cream compared to benzoyl peroxide 5% in Acne vulgaris: Results from a randomized study](https://pubmed.ncbi.nlm.nih.gov/37941097/) Salicylic acid · Journal of Cosmetic Dermatology, 2024
- [A Salicylic Acid-Based Dermocosmetic is Effective as an Adjunct to Benzoyl Peroxide for Mild to Moderate Acne and as Monotherapy in Maintenance Post Benzoyl Peroxide](https://pubmed.ncbi.nlm.nih.gov/38051857/) Salicylic acid · Journal of Drugs in Dermatology, 2023
- [Antiaging, Brightening, and Antioxidant Efficacy of Fermented Bilberry Extract (Vaccinium myrtillus): A Randomized, Double-Blind, Placebo-Controlled Trial](https://pubmed.ncbi.nlm.nih.gov/39064646/) Vaccinium myrtillus · Nutrients, 2024
- [Evaluation of the Efficacy and Safety of a Panthenol-Enriched Mask for Skin Barrier Recovery After Facial Laser Treatment: Results of a Double-Blind Randomized Controlled Study](https://pubmed.ncbi.nlm.nih.gov/40613435/) Panthenol · Journal of Cosmetic Dermatology, 2025
- [Impact of dermal emulsions containing diacyl phospholipids, mono acyl phospholipids, sodium lauryl ether sulfate and polysorbate 80 in combination with UVA irradiation on human skin physiology in vivo: A pilot study](https://pubmed.ncbi.nlm.nih.gov/42617898/) Sodium laureth sulfate · International Journal of Pharmaceutics, 2026
- [Efficacy and safety of combination cream of stimu-tex AS™ (spent grain wax, Argania Spinosa Kernel oil, Butyrospermum Parkii (shea butter) extract), and saccharide isomerate after fractional CO2 laser procedure: split-face, double blinded, randomized controlled trial](https://pubmed.ncbi.nlm.nih.gov/41134387/) Shea butter · Lasers in Medical Science, 2025

## The brands

- Skincare: [Principia](https://lovi.care/skincare/it/brands/principia)
- Skincare: [the purest](https://lovi.care/skincare/it/brands/the-purest)

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- [La Roche-Posay vs the purest](https://lovi.care/skincare/it/compare/la-roche-posay-vs-the-purest)
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- [Some By Mi vs Principia](https://lovi.care/skincare/it/compare/some-by-mi-vs-principia)
- [Some By Mi vs the purest](https://lovi.care/skincare/it/compare/some-by-mi-vs-the-purest)

## About the Lovi Fit

Lovi: Unbiased, science-based skincare AI trained on real user outcomes.

Lovi compares products by their fit scores, calculated from the full ingredient list with brand-independent rules its 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. Levels from best to worst: Superior, High, Average, Low, Caution, Warning.

Behind this comparison: Nadia Kapleva, MS (Co-founder, Medical Director); Alexey Shagraev, PhD (Co-founder, CEO and CTO); Dr. Sofía Perea Pérez, MD, MSc (Medical Board); Aishani Shah, MD (Medical Board); Asya Zubkova, MS (Medical Board); Hanna Kurets, MD (Medical Board, Medical Advisor); Elina Nazarenko, MD (Medical Board); Victoria Derkova, MS (Medical Board).

Page built Nov 8, 2026.

More from Lovi: https://lovi.care/skincare/llms.txt

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- United States: https://lovi.care/skincare/compare/principia-vs-the-purest
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- Ireland: https://lovi.care/skincare/ie/compare/principia-vs-the-purest
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