Simple and Principia are thoughtful skincare brands offering reliable cleansers, toners, and moisturizers crafted with ingredients like niacinamide and glycerin. The British brand suits acne-prone skin and skin with dark spots best, featuring standout choices such as the Kind to Skin Soothing Facial Toner and the Micellar Cleansing Water, whereas the other brand focuses on balanced to oily skin with precise formulas like the Gel de Limpeza GL-01. Both help maintain a healthy complexion, though Simple uniquely addresses hyperpigmentation, aging signs, and barrier function.
Simple is a British skincare brand founded in 1960 and owned by Unilever PLC since 2011.
This page compares some of the most popular Simple and Principia products; for every product of both brands, with a fit score for your own skin, use the Lovi app.
Simple is the better choice on this page because it offers a wide variety of cleansers, makeup removers, and moisturizers with fragrance-free formulas, whereas Principia only features a single cleanser that may cause caution on dry and sensitive skin.
What is the difference between Simple and Principia?
Simple features a diverse range of makeup removers, moisturizers, cleansers, and toners with Lovi fit levels reaching High for sensitive skin, whereas Principia offers just a single cleanser on this page with lower fit levels for dry skin. Additionally, Simple was founded in 1960 in the United Kingdom, while Principia was founded in 2020.
Simple or Principia: which cleanser is better?
Simple offers better-fitting cleansers for most skin types, with its Refreshing Facial Wash receiving Average fit levels for all skin types except dry and dry sensitive skin, where it has a Low fit. In comparison, Principia's Gel de Limpeza GL-01 yields a Low fit for acne-prone skin and a Caution fit for dry and dry sensitive skin.
Which is more affordable, Simple or Principia?
Simple features lightweight, value-friendly moisturizers among the products on this page, whereas affordability details for Principia are not specified here.
Which causes fewer breakouts, Simple or Principia?
Simple offers more varied options for acne-prone skin, with several products on this page fitting acne-prone skin at an average level, whereas reviewers often note that Simple can cause breakouts or irritations. Principia has only one cleanser on this page, which has a low fit level for acne-prone skin.
Between Simple and Principia, which brand offers products with a High Lovi fit level for sensitive skin?
Simple offers products with a High Lovi fit level for sensitive skin, such as its Kind to Skin Soothing Facial Toner and Micellar Cleansing Water.
How do the founding years and parent companies of Simple and Principia compare?
Simple was founded in 1960 in the United Kingdom and has been owned by Unilever PLC since 2011, while Principia was founded in 2020 and is owned by Viziera Participações Ltda.
Do products from both Simple and Principia list no fragrance in their ingredients?
Yes, every product on this page from both Simple and Principia lists no fragrance in its ingredients.
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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.