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 generally the better choice on this page, offering a much wider range of fragrance-free products with High Lovi fit levels for sensitive and acne-prone skin, whereas Principia features only a single cleanser that rates as Caution for dry skin.
What is the difference between Simple and Principia?
Simple offers a wide selection of fragrance-free products on this page, with the products on this page achieving High fits for sensitive skin, whereas Principia features a single cleanser that earns a Caution fit for dry skin. Glycerin helps provide hydration in these formulations.
Simple offers a better range of cleansers for most skin types, as the products on this page achieve Average fits across many categories, whereas Principia Gel de Limpeza GL-01 rates as Caution for dry and dry sensitive skin.
Which is more affordable, Simple or Principia?
Simple offers more affordable options on this page, as it features a wide range of budget-friendly moisturizers and cleansers, whereas Principia only lists a single cleanser.
Which causes fewer breakouts, Simple or Principia?
Simple features products on this page that may occasionally cause breakouts, while review data for Principia's cleanser on this page does not highlight breakouts as a common issue.
Which brand has been on the market longer, Simple or Principia?
Simple has been on the market longer, having been founded in 1960 in the United Kingdom, whereas Principia was founded in 2020.
Do any products from either Simple or Principia contain fragrance?
Every product on this page from both Simple and Principia lists no fragrance in its ingredients.
What are the main key ingredients found across Simple products?
The main key ingredients across the products on this page for Simple are Niacinamide and Glycerin, which help support skin health. Niacinamide may help reduce pigmentation and signs of aging.
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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.
