Simple and Principia are two thoughtful skincare brands that focus on gentle, effective care. Simple offers soothing moisturizers, makeup removers, cleansers, and toners with niacinamide and glycerin, suiting oily and acne-prone skin best, while the other brand is known for precise cleansers and formulas that suit balanced to oily skin. The main difference lies in their specific product ranges and targeted ingredients, as both help maintain a healthy, balanced complexion through their unique offerings.
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 selection of fragrance-free cleansers, makeup removers, and moisturizers with High to Average Lovi fit levels across multiple skin types, whereas Principia features only a single cleanser that rates Caution for dry skin.
What is the difference between Simple and Principia?
Simple offers a broad variety of fragrance-free cleansers, makeup removers, and moisturizers featuring niacinamide and glycerin, achieving a High fit for sensitive skin on its soothing toner. In contrast, Principia features only a single cleanser on this page with lower suitability for dry and sensitive skin types.
Simple or Principia: which cleanser is better?
Simple offers the Refreshing Facial Wash, which has an Average Lovi fit for most skin types, whereas Principia offers the Gel de Limpeza GL-01, which has a Low fit for acne-prone skin and requires caution for dry skin.
Which is more affordable, Simple or Principia?
Simple features lightweight, value-friendly moisturizers on this page.
Which causes fewer breakouts, Simple or Principia?
Simple products on this page are frequently noted by reviewers for causing breakouts, while the single Principia product on this page has no such widespread reviews reported. Niacinamide helps improve skin appearance.
How do the founding years and corporate ownerships of Simple and Principia compare?
Simple was founded in the United Kingdom in 1960 and has been owned by Unilever PLC since 2011, whereas Principia was founded in 2020 and is owned by Viziera Participacoes Ltda.
Do either Simple or Principia include fragrance in their product ingredients?
Every product on this page from both Simple and Principia lists no fragrance in its ingredients.
Which skin types do brand-focused routines suggest Simple fits best?
The brand-focused routines suggest Simple fits oily skin, acne-proved skin, and mature skin best.
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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.