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 generally achieve an Average or higher Lovi fit across skin types, whereas Principia's cleanser falls into Caution for dry and dry sensitive skin. Glycerin helps maintain skin hydration.
What is the difference between Simple and Principia?
Simple offers a broad variety of products on this page, achieving a Superior fit for mature skin with its toner and High fits across several skin types for its micellar waters and toner. Principia features only one cleanser on this page, which achieves an Average fit for oily skin and a Caution fit for dry skin.
Simple or Principia: which cleanser is better?
Simple offers better-rated cleansers on this page, such as the Refreshing Facial Wash, which achieves an average fit for most skin types, whereas Principia's Gel de Limpeza GL-01 rates as low or caution for dry and acne-prone skin types.
Which is more affordable, Simple or Principia?
Simple features lightweight, value-friendly moisturizers among the products on this page, while Principia does not offer this on the page.
Which causes fewer breakouts, Simple or Principia?
Simple products on this page are rated as having an Average fit for acne-prone skin, while reviews note that they can sometimes cause breakouts or irritations. Principia has a Low fit for acne-prone skin on the products on this page.
Which brand has been on the market longer, Simple or Principia?
Simple has been on the market longer, having been founded in the United Kingdom in 1960, whereas Principia was founded 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.
What are the key ingredients featured across Simple products?
The key ingredients featured across the products on this page for Simple are Niacinamide and Glycerin, which help support skin health and hydration.
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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.
