# Principia vs Carotone

Page: https://lovi.care/skincare/compare/principia-vs-carotone

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

Principia and Carotone are distinct skincare lines recognized for their thoughtful cleansers, targeted [serums](https://lovi.care/skincare/ingredients/serum), and precise formulas. Principia suits balanced to oily skin best with standout products like the Gel de Limpeza GL-01 for acne-prone skin, while the brand helps maintain a healthy, balanced complexion. Carotone suits dry, normal, and combination skin best with standout products like the Brightening Cream for acne-prone skin, and regular use of its offerings supports a radiant and even complexion. Both differ primarily in their ideal skin types and specific formulations, guiding users toward tailored choices.

This page compares some of the most popular Principia and Carotone 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=pgc333cc14fd).

### Popular Principia vs Carotone products

#### Carotone

- [Brightening Cream](https://lovi.care/skincare/p/carotone/brightening-cream/for/mature-skin) — Average fit

#### Principia

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

## Questions and answers

### Principia or Carotone: which is better?

Both brands offer products on this page that achieve an Average Lovi fit across multiple skin types, including sensitive and mature skin. Every product on this page from both Principia and Carotone lists no fragrance in its ingredients.

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

Principia and Carotone both feature fragrance-free formulas on this page, but they have different fit levels across skin types. Lovi rates Principia with an average fit for most skin types, a low fit for acne-prone skin, and caution for dry skin, while Carotone achieves an average fit across all listed skin types.

### Which is more affordable, Principia or Carotone?

Neither brand is clearly more affordable because the products on this page do not list prices.

### Which causes fewer breakouts, Principia or Carotone?

Carotone has an average Lovi fit for acne-prone skin, whereas the products on this page from Principia have low to average fits.

### Which brand was founded earlier, Principia or Carotone?

Carotone was founded earlier in 2009, while Principia was founded later in 2020.

### Who owns Principia and who owns Carotone?

Principia is owned by Viziera Participações Ltda., while Carotone is owned by Nouvelle Parfumerie Gandour.

### Are there any fragranced products listed for Principia or Carotone on this page?

No, every product on this page from both Principia and Carotone lists no fragrance in its ingredients.

## Research behind their key ingredients

- [Improvement of naturally aged skin with vitamin A (retinol)](https://pubmed.ncbi.nlm.nih.gov/17515510/) Retinol vitamin a · Archives of Dermatology, 2007
- [Anti-aging and brightening effects of a topical treatment containing vitamin C, vitamin E, and raspberry leaf cell culture extract: A split-face, randomized controlled trial](https://pubmed.ncbi.nlm.nih.gov/31975502/) Ascorbic acid · Journal of Cosmetic Dermatology, 2020
- [Prospective, randomized, double-blind assessment of topical bakuchiol and retinol for facial photoageing](https://pubmed.ncbi.nlm.nih.gov/29947134/) Retinol vitamin a · The British Journal of Dermatology, 2019
- [Skin barrier disruption by sodium lauryl sulfate-exposure alters the expressions of involucrin, transglutaminase 1, profilaggrin, and kallikreins during the repair phase in human skin in vivo](https://pubmed.ncbi.nlm.nih.gov/18007579/) Sodium lauryl sulfate · The Journal of Investigative Dermatology, 2008
- [Effect of a topical antioxidant serum containing vitamin C, vitamin E, and ferulic acid after Q-switched 1064-nm Nd:YAG laser for treatment of environment-induced skin pigmentation](https://pubmed.ncbi.nlm.nih.gov/32052907/) Ascorbic acid · Journal of Cosmetic Dermatology, 2020
- [The 24-hour skin hydration and barrier function effects of a hyaluronic 1%, glycerin 5%, and Centella asiatica stem cells extract moisturizing fluid: an intra-subject, randomized, assessor-blinded study](https://pubmed.ncbi.nlm.nih.gov/28860834/) Glycerin · Clinical, Cosmetic and Investigational Dermatology, 2017
- [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
- [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
- [Changes in Skin Barrier Function after Repeated Exposition to Phospholipid-Based Surfactants and Sodium Dodecyl Sulfate In Vivo and Corneocyte Surface Analysis by Atomic Force Microscopy](https://pubmed.ncbi.nlm.nih.gov/33804924/) Sodium lauryl sulfate · Pharmaceutics, 2021
- [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
- [A novel model of inflammatory pain in human skin involving topical application of sodium lauryl sulfate](https://pubmed.ncbi.nlm.nih.gov/20358390/) Sodium lauryl sulfate · Inflammation Research, 2010
- [Anatomical site differences of sodium lauryl sulfate-induced irritation: randomized controlled trial](https://pubmed.ncbi.nlm.nih.gov/30637727/) Sodium lauryl sulfate · The British Journal of Dermatology, 2019
- [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

## The brands

- Skincare: [Principia](https://lovi.care/skincare/brands/principia)
- Skincare: [Carotone](https://lovi.care/skincare/brands/carotone)

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## 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

## This page in other countries

- United States: https://lovi.care/skincare/compare/principia-vs-carotone (this page)
- United Kingdom: https://lovi.care/skincare/uk/compare/principia-vs-carotone
- Ireland: https://lovi.care/skincare/ie/compare/principia-vs-carotone
- Germany: https://lovi.care/skincare/de/compare/principia-vs-carotone
- France: https://lovi.care/skincare/fr/compare/principia-vs-carotone
- Italy: https://lovi.care/skincare/it/compare/principia-vs-carotone
- Netherlands: https://lovi.care/skincare/nl/compare/principia-vs-carotone
- Spain: https://lovi.care/skincare/es/compare/principia-vs-carotone
- Canada: https://lovi.care/skincare/ca/compare/principia-vs-carotone
- Australia: https://lovi.care/skincare/au/compare/principia-vs-carotone
- Singapore: https://lovi.care/skincare/sg/compare/principia-vs-carotone
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