Principia NC-10 Niacinamide Serum 10% + Zinc PCA 1% for Oil Control & Dark Spot Care, 1.01 fl oz (30 mL)
Principia NC-10 is a Brazilian dermocosmetics essential designed for the modern glow routine: refined, lightweight, and focused on visible balance. Powered by 10% niacinamide (vitamin B3) and 1% zinc PCA, this daily serum helps manage excess oil, support clearer-looking pores, and improve the appearance of uneven tone—ideal for anyone building a streamlined routine that still feels professional and performance-led.
Its elegant, fast-absorbing texture layers beautifully under moisturizer, sunscreen, and makeup, making it a smart choice for personal routines, salon retail shelves, and international resellers who want a proven active story without unnecessary extras.
Key Benefits
- Dark spot appearance support: Helps reduce the appearance of dark marks and supports a more even-looking complexion.
- Oil control: Helps balance excess sebum for a fresher, less shiny finish.
- Blemish-prone support: Helps reduce the look of blackheads and blemishes with consistent use.
- Pore appearance support: Helps minimize the look of enlarged pores for a smoother-looking finish.
- Radiance + softness: Helps improve the look of glow and supports a softer skin feel.
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Dermatologically tested (brand-reported): The brand reports irritation and sensitization testing, and hypoallergenic / non-photoirritating evaluation.
How to use
Use daily, morning and night. Apply on clean, dry skin before creams, sunscreen, and makeup. Dispense a few drops onto fingertips (avoid touching the dropper to skin) and spread gently over the face. The brand indicates it can be applied in the eye area; use carefully and avoid direct contact with eyes. Store in a cool, dry place.
In a 60-day perceived efficacy study, participants reported improvements in: tone (100%), softness (100%), radiance (100%), dark spots (97%), melasma appearance (97%), oiliness (94%), pore size appearance (94%), under-eye dark circles (87%), and under-eye puffiness (87%). The brand also reports instrumental measurements indicating improvements in hydration indicators and firmness/elasticity parameters over 60 days.
Ingredients Highlights
- Niacinamide (10%): A stable form of vitamin B3 known for multi-benefit skincare support. Commonly used to help reduce the look of blemishes and blackheads, support oil balance, improve the appearance of pores, and promote a more even-looking tone.
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Zinc PCA (1%): A combination of zinc and L-PCA. Zinc is associated with helping normalize the look of excess oil and supporting blemish-prone skin, while L-PCA contributes to hydration-support processes—helping the skin feel comfortable and balanced.
Allergen warnings / cautions
- For external use only. Discontinue use if irritation occurs.
- Avoid direct contact with eyes. If product gets into eyes, rinse thoroughly with water.
- Use sunscreen daily, especially when targeting the appearance of dark spots and uneven tone.
- Keep out of reach of children. Store in a cool, dry place.
- According to the brand, the formula is free from parabens, petrolatum, silicones, fragrance, and gluten.
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.
FAQ
Can I use Principia NC-10 every day?
Yes. The brand indicates daily AM/PM use. If you are new to strong actives, start once daily and increase as tolerated.
Is this serum suitable for oily or acne-prone skin?
It is widely used in routines focused on oil control, the look of pores, and blemish-prone concerns due to niacinamide and zinc PCA.
Can NC-10 help with the appearance of dark spots?
It may help improve the look of uneven tone and dark marks with consistent use, alongside daily sunscreen.
Can I apply it around the eye area?
The brand indicates safety and efficacy were evaluated for the eye area. Apply gently, avoid direct eye contact, and stop if irritation occurs.
Is this product cruelty-free?
The brand states it does not test on animals.
Complete your routine by exploring our curated Principia Collection for a clean, balanced, everyday glow.
Add Principia NC-10 to your cart and build a balanced routine with Brazilian dermocosmetic clarity.
Legal Disclaimer
⚠️ The product label may contain additional or different information than stated on the website. Always read labels, warnings, and usage instructions before using or consuming.