Principia NC-10 Niacinamide Serum 10% + Zinc PCA 1% for Oil Control & Dark Spot Care, 1.01 fl oz (30 mL)
- A daily vitamin B3 serum that helps reduce the look of pores, dark marks, and blemishes, while supporting oil balance and a more even-looking complexion — in a lightweight, fast-absorbing formula.
Oily, combination, blemish-prone, and uneven-tone skin. Suitable for morning and night use. Can be used near the eye area with care.
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- 10% niacinamide helps reduce the appearance of pores, dark spots, and blemishes with consistent use
- 1% zinc PCA helps balance excess oil and supports a fresher, less shiny finish
- Lightweight, fast-absorbing formula — layers easily under moisturizer, SPF, and makeup
- Dermatologically tested with hypoallergenic and non-photoirritating evaluation (brand-reported)
- Free from parabens, petrolatum, silicones, fragrance, and gluten (brand-reported)
Use morning and night. Apply to clean, dry skin before creams, sunscreen, or makeup. Dispense a few drops onto fingertips, avoiding contact with the dropper, and spread gently over the face. Can be applied near the eye area; use carefully and avoid direct eye contact. Use daily sunscreen, especially when targeting the appearance of dark spots.
- In a 60-day brand-reported efficacy study, participants reported improvements in tone (100%), softness (100%), radiance (100%), dark spots (97%), and oiliness (94%)
- The brand states the formula is cruelty-free and free from parabens, petrolatum, silicones, fragrance, and gluten
- Pair with daily SPF for best results when targeting the appearance of dark spots and uneven tone
Niacinamide works on the visible appearance of tone, pores, and blemishes across the complexion, while Zinc PCA helps manage oil balance and supports a comfortable skin feel — together they deliver a clearer-looking, more balanced, and more radiant complexion with consistent daily use.
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Learn morePrincipia NC-10
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.
Why you’ll love it
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.
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.
Product highlights
Product information
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.
