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, offering a wide selection of fragrance-free cleansers, makeup removers, toners, and moisturizers with High to Average Lovi fit levels for most skin types. In comparison, Principia lists only a single cleanser that achieves only Average to Caution fit levels across skin types.
What is the difference between Simple and Principia?
Simple offers a broad variety of products on this page, like cleansers, moisturizers, and makeup removers that feature ingredients like niacinamide and glycerin to help with hydration and pigmentation. In contrast, Principia has just one cleanser listed on this page, which is rated with a caution for dry skin.
Simple features multiple facial washes with better overall suitability across most skin types, whereas the cleanser from Principia rates as low or warrants caution for dry skin.
Which is more affordable, Simple or Principia?
Shoppers often mention Simple for its lightweight, value-friendly moisturizers, while price details for Principia are not highlighted on this 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 the brand sometimes causes breakouts or irritations. Principia has only one cleanser on this page, which has a low fit for acne-prone skin.
Between Simple and Principia, which brand offers products containing fragrance?
Neither Simple nor Principia offers products containing fragrance, as every product from both brands on this page lists no fragrance in its ingredients.
How do the founding years of Simple and Principia compare?
Simple was founded in 1960 in the United Kingdom, whereas Principia was founded much later in 2020.
Which brand has a wider selection of products listed on the page?
Simple has a much wider selection, offering seven different cleansers, makeup removers, toners, and moisturizers on this page. Principia lists only one cleanser among the products on this page.
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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.
