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Principia

Principia

Principia is a Brazilian dermocosmetics brand founded in 2020 in São Paulo with a clear mission: democratize high-performance skincare through science-backed formulas, radical ingredient transparency, and fair, accessible positioning. Instead of relying on hype, Principia focuses on what matters most for results-driven routines—active ingredients at disclosed percentages, straightforward formulations, and a minimalist, clinical aesthetic designed for everyday use.

In this collection, you’ll find the brand’s most iconic treatment essentials—especially its targeted serums built around globally trusted actives.

Highlights include Vitamin C + Ferulic Acid serums for visible brightness and uneven tone, and Niacinamide + Zinc PCA formulas for oily skin concerns like excess shine, enlarged pores, and blemish-prone texture.

For those who want smoother-looking skin, Principia is also known for its exfoliating line featuring AHA-based options such as Glycolic Acid, plus multi-active blends created for advanced routines. Hydration staples (including hyaluronic-acid-focused formulas) help balance stronger actives and support a comfortable finish.

Many formulas are also designed with a modern, sensitive-skin-aware approach, commonly avoiding unnecessary extras such as added fragrance (product-dependent). The brand states it does not test on animals, reinforcing its commitment to responsible development.

As a Brazilian brand, Principia reflects a fast-growing skincare culture that values clinical performance, practicality, and ingredient education. Whether your goal is clearer-looking skin, brighter tone, refined texture, or a more balanced routine, this lineup makes it easy to shop by concern and buy with purpose.

Explore the full Principia collection below and build a routine powered by transparent actives.

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