ISDIN and Principia are skincare brands that offer thoughtful moisturizers, advanced sunscreens, targeted serums, soothing eye products, and precise cleansers. The Spanish brand founded in 1975 and owned by Puig is beloved for expert formulas that suit sensitive skin and mature skin best, featuring standout options like Fusion Water for acne-prone skin, Eryfotona Actinica for dark spots, and K-Ox Eyes for mature skin. Meanwhile, the other brand is widely loved for its thoughtful cleansers, with standout products like the Gel de Limpeza GL-01 for acne-prone skin that suit balanced to oily skin best. While both deliver reliable daily support to maintain a healthy, balanced complexion, they differ in their specific formulations and targeted skin types.
ISDIN is a Spanish skincare brand founded in 1975 and owned by Puig.
This page compares some of the most popular ISDIN and Principia products; for every product of both brands, with a fit score for your own skin, use the Lovi app.
ISDIN is the better choice on this page, offering a wide range of specialized skincare products with Superior and High Lovi fit levels for sensitive, mature, and dry skin. By contrast, Principia features only a single cleanser with lower fit ratings for those skin types.
What is the difference between ISDIN and Principia?
ISDIN is a longer-established Spanish brand with a wider selection of sunscreens, moisturizers, and serums on this page, whereas Principia offers just a cleanser. ISDIN sunscreens achieve Superior Lovi fit levels for several skin types.
Which is more affordable, ISDIN or Principia?
Reviewers note that ISDIN has a high price point, whereas Principia offers budget-friendly options.
Which causes fewer breakouts, ISDIN or Principia?
Neither brand as a whole can be said to cause fewer breakouts, as Lovi rates acne-prone skin differently across their products on this page: ISDIN ranges from High fit for Eryfotona Actinica, Fusion Water, Flavo-C Serum, and Retinal Intense Serum down to Low for Uradin Lotion 10, while Principia's Gel de Limpeza GL-01 has a Low fit for acne-prone skin.
Which brand has been on the market longer, ISDIN or Principia?
ISDIN has been on the market longer, having been founded in Spain in 1975, whereas Principia was founded more recently in 2020.
How many products from ISDIN and Principia contain no fragrance?
Among the products on this page, 3 out of 8 ISDIN products list no fragrance, while every Principia product lists no fragrance.
What are the main negative points mentioned by reviewers about ISDIN?
Reviewers often mention ISDIN's high price point as a main negative point, and sometimes note a strong fragrance across some products on this page.
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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.
