ISDIN and Principia are two renowned skincare labels offering thoughtful remedies to maintain a healthy and balanced complexion. The Spanish brand founded in 1975 and owned by Puig is loved for its elegant moisturizers, advanced sunscreens, restorative serums, and targeted eye products, whereas the second line is widely known for its thoughtful cleansers and precise formulas. The former suits dry skin and sensitive skin best with gentle daily comfort and dependable protection, while the latter suits balanced to oily skin best. They differ primarily in their core focuses, offering specialized standalone solutions such as Fusion Water, Eryfotona Actinica, and K-Ox Eyes from the first creator, and the Gel de Limpeza GL-01 from the second.
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 offers a much wider range of products on this page, with Lovi fit levels reaching Superior for dry, sensitive, and mature skin, while Principia only features a single cleanser. Reviewers often mention ISDIN for its ultralight and makeup-friendly sunscreens, though some note a high price point and strong fragrance.
What is the difference between ISDIN and Principia?
ISDIN offers a much wider range of products on this page, including sunscreens, serums, and moisturizers, whereas Principia only features a single cleanser. Lovi rates ISDIN as a good fit for dry, sensitive, and mature skin, while Principia's cleanser shows lower or average fit levels for those skin types.
Which is more affordable, ISDIN or Principia?
Principia offers a budget-friendly option, whereas reviewers often mention ISDIN's products on this page for their high price point.
Which causes fewer breakouts, ISDIN or Principia?
Neither brand can be said to cause fewer breakouts overall, because the products on this page for both ISDIN and Principia show mixed Lovi fit levels for acne-prone skin.
How do the founding years and corporate ownerships of ISDIN and Principia compare?
ISDIN was founded in 1975 in Spain and is owned by Puig, whereas Principia was founded in 2020 and is owned by Viziera Participa莽玫es Ltda.
Which brand offers more fragrance-free products according to their listed ingredients on the page?
Principia offers more fragrance-free products on this page, as every listed product has no fragrance in its ingredients, whereas several ISDIN products include fragrance.
What are the most common reviewer pros and cons mentioned for ISDIN products?
Reviewers most commonly praise ISDIN products on this page for their ultralight sunscreens, lightweight moisturizers, makeup-friendly sunscreens, and skin-friendly sunscreens. On the downside, shoppers frequently mention a high price point and sometimes note a strong fragrance.
Sodium laureth sulfate 路 International Journal of Pharmaceutics, 2026
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.
