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, as its products on this page achieve mostly average to high fit levels across various skin types, whereas Principia only features a cleanser with average to caution ratings. Both brands feature no fragrance in their products on this page.
What is the difference between Simple and Principia?
Simple features a wider selection of products on this page that fit sensitive and oily skin at High levels, whereas Principia offers just one cleanser with lower fit ratings. Both brands list no fragrance across their products.
Simple or Principia: which cleanser is better?
Simple offers better facial wash options since its Refreshing Facial Wash achieves an Average fit for acne-prone, sensitive, and oily skin types, whereas Principia's Gel de Limpeza GL-01 has 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 on the products on this page, whereas Principia does not offer pricing or affordability details for its cleanser.
Which causes fewer breakouts, Simple or Principia?
Simple features products on this page that are sometimes noted by reviewers for causing breakouts or irritations, while Principia does not have enough reviewer data mentioned regarding breakouts.
Which brand has been on the market longer, Simple or Principia?
Simple has been on the market much longer, having been founded in the United Kingdom in 1960, whereas Principia was founded more recently in 2020.
Do any products from Simple or Principia contain fragrance?
Every product on this page from both Simple and Principia lists no fragrance in its ingredients.
How does the Lovi fit level for oily skin compare between Simple and Principia cleansers?
Simple cleansers on this page fit oily skin at an Average level, whereas Principia cleansers also achieve an Average fit level for oily skin.
Saccharide isomerate · Journal of Cosmetic Dermatology, 2023
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.
