# Principia vs ISDIN Isdinceutics

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

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 ISDIN Isdinceutics are two distinct skincare lines known for thoughtful cleansers and precise formulas, alongside targeted eye products and advanced formulas. Principia suits balanced to oily skin best, featuring standout products like the Gel de Limpeza GL-01 for acne-prone skin to help maintain a healthy, balanced complexion. Conversely, the Spanish brand founded in 1975 and owned by Puig since 2027 suits mature, dry, and sensitive skin best due to gentle yet effective compositions, with standout items like K-Ox Eyes addressing dark circles, puffiness, and offering noticeable relief for acne-prone skin. While both offerings support a visibly rested, smooth, and balanced complexion through regular use, they differ in their primary focus on specific skin types and key concerns.

ISDIN Isdinceutics is a Spanish skincare brand founded in 1975 and owned by Puig since 2027.

[puig.com](https://www.puig.com/en/newsroom/new-chapter-for-Isdin-Puig-to-assume-full-ownership/)

This page compares some of the most popular Principia and ISDIN Isdinceutics 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=pgc04365eee5).

### Popular Principia vs ISDIN Isdinceutics products

#### ISDIN Isdinceutics

- [K-Ox Eyes](https://lovi.care/skincare/p/isdin-isdinceutics/k-ox-eyes/for/dry-skin) — High 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 ISDIN Isdinceutics: which is better?

ISDIN Isdinceutics reaches a High Lovi fit for dry, sensitive, and mature skin with K-Ox Eyes, whereas Principia products on this page achieve an Average fit across these skin types. Every product from Principia lists no fragrance, while K-Ox Eyes contains fragrance.

### What is the difference between Principia and ISDIN Isdinceutics?

ISDIN Isdinceutics achieves a High Lovi fit for dry, sensitive, and mature skin with K-Ox Eyes, whereas Principia reaches an Average fit across skin types with Gel de Limpeza GL-01. Furthermore, every product on this page from Principia lists no fragrance, while ISDIN Isdinceutics includes fragrance in K-Ox Eyes.

### Which is more affordable, Principia or ISDIN Isdinceutics?

The page facts do not provide pricing information for either Principia or ISDIN Isdinceutics, so it is not possible to determine which brand is more affordable.

### Which causes fewer breakouts, Principia or ISDIN Isdinceutics?

ISDIN Isdinceutics K-Ox Eyes achieves an Average Lovi fit for acne-prone skin, whereas the Principia cleanser on this page rates as Low. Both are outperformed by targeted anti-acne treatments backed by clinical studies on [salicylic acid](https://lovi.care/skincare/ingredients/salicylic-acid).

[BioMed Research International, 2020](https://pubmed.ncbi.nlm.nih.gov/33150170/) [Journal of Cosmetic Dermatology, 2024](https://pubmed.ncbi.nlm.nih.gov/37941097/)

### Which brand is older, Principia or ISDIN Isdinceutics?

ISDIN Isdinceutics is older, having been founded in Spain in 1975, whereas Principia was founded in 2020.

### Do any products from Principia contain fragrance compared to ISDIN Isdinceutics?

Every product on this page from Principia lists no fragrance in its ingredients, whereas ISDIN Isdinceutics includes fragrance in K-Ox Eyes.

### Which skin types have a High Lovi fit level for ISDIN Isdinceutics' K-Ox Eyes?

ISDIN Isdinceutics' K-Ox Eyes achieves a High Lovi fit level for dry skin, sensitive skin, and mature skin. Every product on this page by ISDIN Isdinceutics contains fragrance.

## Research behind their key ingredients

- [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/) Tocopherol, Ascorbic acid · Journal of Cosmetic Dermatology, 2020
- [Chrysin protects epidermal keratinocytes from UVA- and UVB-induced damage](https://pubmed.ncbi.nlm.nih.gov/21699266/) Chrysin · Journal of Agricultural and Food Chemistry, 2011
- [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/) Tocopherol, 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
- [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
- [Botulinum toxin injection as a single or combined treatment with non-cross-linked high molecular weight and low molecular weight hyaluronic acid gel for neck rejuvenation: A randomized clinical trial](https://pubmed.ncbi.nlm.nih.gov/35775872/) Hydrolyzed hyaluronic acid · Dermatologic Therapy, 2022
- [Efficacy and Tolerability of Stable Hybrid Cooperative Complexes of High- and Low-Molecular Weight Hyaluronic Acid in Asian Patients: An Open-Label Study](https://pubmed.ncbi.nlm.nih.gov/40921777/) Hydrolyzed hyaluronic acid · Aesthetic Plastic Surgery, 2026
- [Chitosan derivative nanocarrier: safety evaluation,antibacterial property and ascorbyl palmitate encapsulation](https://pubmed.ncbi.nlm.nih.gov/19566395/) Ascorbyl palmitate · Journal of Microencapsulation, 2010
- [Nanocomplex of quaternized cyclodextrin grafted chitosan and hyaluronic acid for a skin delivery](https://pubmed.ncbi.nlm.nih.gov/36279763/) Hydrolyzed hyaluronic acid · Colloids and Surfaces. B, Biointerfaces, 2022
- [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
- [Targeting Circadian Rhythm for the Regulation of Skin Collagen Metabolism](https://pubmed.ncbi.nlm.nih.gov/41527525/) Palmitoyl tripeptide-1 · Journal of Cosmetic Dermatology, 2026

## The brands

- Skincare: [Principia](https://lovi.care/skincare/brands/principia)
- Spanish skincare: [ISDIN Isdinceutics](https://lovi.care/skincare/brands/isdin-isdinceutics)

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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

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