THIS INGREDIENT REBUILDS YOUR SKIN FROM THE INSIDE OUT - THE SCIENCE OF NIACINAMIDE

NIACINAMIDE: The Most Underrated Skincare Ingredient? | Fade Dark Spots, Shrink Pores, Strengthen Your Barrier

Welcome to The Beauty Doctrine—your trusted source for science-backed, functional beauty.

Can one ingredient really do it all?
✅ Fade hyperpigmentation
✅ Minimize the look of pores
✅ Calm inflammation and redness
✅ Boost hydration and ceramide production
✅ Even help reduce skin cancer risk?

The answer is yes—and the ingredient is niacinamide.

In this video, Nadia Benchakroun, founder of The Beauty Doctrine and 28-year beauty industry veteran—dives deep into the research behind this powerhouse form of vitamin B3. You'll learn:

✔️ What niacinamide is and how it works on a cellular level
✔️ Topical vs. oral benefits—based on -reviewed studies
✔️ How to use it correctly to avoid irritation or mixing mistakes
✔️ Best clean beauty products and supplements with effective niacinamide
✔️ Who should use it—and who should proceed with caution

Whether you’re struggling with acne, sensitive skin, rosacea, dark spots, or just want to improve your skin barrier and slow aging—this is one ingredient worth knowing.

🧪 Every claim is backed by published clinical research so you can make confident, informed skincare choices. Functional beauty is not about trends—it’s about what works, sustainably and gently.

👇 RECOMMENDED PRODUCTS & LINKS:

VERSINE GENTLE ACTIVE SERUM: https://thebeautydoctrine.com/products/versine-gentle-actives-clarity-serum?_pos=5&_sid=483ea5860&_ss=r
BLOOMEFFECTS SPF 50: https://thebeautydoctrine.com/products/tulip-dew-sunscreen-serum?_pos=1&_sid=587e75dd9&_ss=r
NIACINAMIDE 5% + PEPTIDES ANTIAGING WRINKLES SERUM: https://thebeautydoctrine.com/products/niacinamide-5-peptides-antiaging-wrinkles-serum?_pos=1&_sid=483ea5860&_ss=r
NIACINAMIDE 15% + PEPTIDES FOR PIGMENTATION FACE SERUM: https://thebeautydoctrine.com/products/niacinamide-for-pigmentation?_pos=2&_sid=483ea5860&_ss=r
ODACITE TINTED SUNSCREEN: https://thebeautydoctrine.com/products/spf-50-flex-perfecting%E2%84%A2-mineral-drops-tinted-sunscreen?_pos=1&_sid=1311407b9&_ss=r
BLACK TULIP OVERNIGHT RETINOID SERUM: https://thebeautydoctrine.com/products/black-tulip-overnight-retiniod-serum?_pos=6&_sid=483ea5860&_ss=r
ROYAL TULIP VITAMIN C FACIAL OIL: https://thebeautydoctrine.com/products/royal-tulip-vitamin-c-facial-oil?_pos=9&_sid=483ea5860&_ss=r
ERE PEREZ WHITE TEA PHYTO-RETINOL ELIXIR: https://thebeautydoctrine.com/products/ere-perez-white-tea-phyto-retinol-elixir?_pos=3&_sid=483ea5860&_ss=r
HYPERPIGMENTATION GUIDE:
🛒 Shop more clean, functional skincare: https://thebeautydoctrine.com
✨ Age slowly, functionally, and beautifully. Real beauty doesn’t require extremes—just the right knowledge and ingredients.

Key References & Further Reading:
Topical Niacinamide Studies
Improves Skin Barrier & Increases Ceramides
Niacinamide increases biosynthesis of ceramides and other stratum corneum lipids
https://pubmed.ncbi.nlm.nih.gov/9703911/

Reduces Hyperpigmentation and Improves Skin Tone
A double-blind study on the effect of niacinamide on facial hyperpigmentation
https://pubmed.ncbi.nlm.nih.gov/12100180/

Anti-Aging Effects (Fine lines, wrinkles, sallowness)
Topical niacinamide in the treatment of aging facial skin
https://pubmed.ncbi.nlm.nih.gov/16229741/

Reduces Sebum Production and Pore Size
Effect of topical niacinamide on sebum excretion rate
https://pubmed.ncbi.nlm.nih.gov/17685863/

Improves Acne Inflammation
A comparative study of 4% niacinamide vs. 1% clindamycin gel in the treatment of acne vulgaris
https://pubmed.ncbi.nlm.nih.gov/12126069/

Strengthens Skin in Rosacea Patients
Use of niacinamide-containing facial moisturizer improves barrier function in rosacea
https://pubmed.ncbi.nlm.nih.gov/16209160/

Oral Niacinamide Studies
Reduces Risk of Non-Melanoma Skin Cancers
Oral nicotinamide to prevent skin cancer in high-risk patients: Phase 3 trial
https://www.nejm.org/doi/full/10.1056/NEJMoa1506197

Supports Acne Reduction Internally
Review: Oral nicotinamide as adjunct therapy for acne and inflammatory skin disorders
https://pubmed.ncbi.nlm.nih.gov/28220628/

Boosts NAD+ and Cellular Repair
The NAD+ precursor nicotinamide riboside enhances oxidative metabolism and protects against high-fat diet-induced obesity
https://pubmed.ncbi.nlm.nih.gov/23941896/
(Note: while this is on nicotinamide riboside, it helps explain niacinamide’s NAD+ pathway role)
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