
Highlights
WHAT IS IT?
Serum with 2 main ingredients (Niacinamide and Biotin)
FEATURES
Clinically proven, Reduces appearance of pores, Reduces redness, Improves uneven complexion
BEST FOR
All skin types (not specified, but described as suitable for sensitive skin)
CHECKS
100% Potent
Who Is It For?
Adults (not Specified But Typical For Skincare Products)What Does It Help With?
Pores Redness Uneven ComplexionBudget
PremiumHow To Use
Which routine should it be used in?
Instructions:
Key Information
What True Botanicals Says
Product Description:
This 100% Niacinamide + Biotin Booster is clinically proven to help reduce the look of pores, redness and uneven complexion for your most flawless, glowy skin.
About the Brand:
Ingredients Overview
Ingredients List
Niacinamide, Biotin
Key Ingredients
Niacinamide, Biotin
Ingredients Details
Biotin
Common Name(s): Vitamin b7,vitamin h,d-biotin
CAS Number: 58-85-5
DESCRIPTION
What It Does: Supports keratin production for stronger hair and nails.
Why It's Used: Hair and nail keratin infrastructure support; widely marketed despite evidence being primarily oral supplementation-based.
How It Works: Coenzyme for carboxylase enzymes essential for fatty acid synthesis and amino acid metabolism relevant to hair follicle function.
Typically Found In: Hair growth shampoos,nail treatments,multivitamin products
TECHNICAL DETAILS
Primary Category: Active ingredient โ vitamin b7
Secondary Functions: Hair growth support,nail strengthening
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 0.01%โ0.5%
SOURCING & ETHICS
Vegan Status: Yes โ synthetically produced
Halal Status: Yes
Source Notes: Synthetically produced for cosmetic use.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low
Comedogenicity Rating: 0/5 โ non-comedogenic
Sensitivity Concerns: Non-irritating; excellent tolerability.
Safe for Sensitive Skin: Yes
SAFETY & COMPATIBILITY
Safety Profile: Excellent safety profile. ewg score: 1.
Works Well With: Other b vitamins,niacinamide,antioxidant complexes
Avoid Combining With: No significant incompatibilities
SCIENTIFIC NOTE
Evidence for topical biotin efficacy in hair growth is limited โ most clinical evidence comes from oral supplementation in biotin-deficient individuals.
Last Verified: Cosing database,cir safety assessment,patel et al. (2017) skin appendage disorders
Primary Sources: 2026-03-12
Niacinamide
Common Name(s): Vitamin b3,nicotinamide,pyridine-3-carboxamide
CAS Number: 98-92-0
DESCRIPTION
What It Does: Niacinamide strengthens the skin barrier, reduces visible pore size, regulates sebum production, fades dark spots, and improves skin texture and tone.
Why It's Used: It is used because it addresses multiple skin concerns at once without irritation, making it suitable for all skin types. it is stable in formulations and pairs well with most other actives.
How It Works: Niacinamide inhibits the transfer of melanosomes (pigment packets) to skin cells, reducing hyperpigmentation. it also stimulates ceramide synthesis to strengthen the skin barrier and reduces inflammation by modulating cytokine activity.
Typically Found In: Serums,moisturizers,toners,cleansers,eye creams,sunscreens,primers
TECHNICAL DETAILS
Primary Category: Active ingredient โ vitamin
Secondary Functions: Barrier repair,brightening,anti-inflammatory
Application Areas:
Facial Skincare
Body Care
Hair Care
Beard Care
Color Cosmetics (Makeup)
Dietary/Oral Supplements
Typical Concentration Range: 2%โ10% (typical: 5%; higher concentrations may cause flushing in some individuals)
SOURCING & ETHICS
Vegan Status: Yes โ synthetically produced
Halal Status: Yes โ synthetic origin
Source Notes: Commercially produced via synthesis from nicotinic acid or 3-cyanopyridine. no animal-derived sources used in cosmetic-grade niacinamide.
SKIN COMPATIBILITY
Irritancy Rating: 1/5 โ very low; concentrations above 10% may cause temporary flushing in sensitive individuals
Comedogenicity Rating: 0/5 โ non-comedogenic
Sensitivity Concerns: At concentrations >10%, some users experience niacin flush (transient redness/tingling). generally very well-tolerated.
Safe for Sensitive Skin: Yes โ one of the best-tolerated actives for sensitive skin
SAFETY & COMPATIBILITY
Safety Profile: Extensively studied and considered very safe. ewg hazard score: 1. no significant systemic toxicity concerns at topical concentrations.
Works Well With: Retinol,peptides,ahas/bhas,hyaluronic acid,ceramides,zinc,vitamin c,spf
Avoid Combining With: High concentrations of vitamin c (ascorbic acid) may theoretically convert to niacin โ use at different times if using pure l-ascorbic acid above 15%
SCIENTIFIC NOTE
Niacinamide is a precursor to nad+ and nadp+, coenzymes vital to cellular energy metabolism. its benefits for dna repair and mitochondrial function make it a key ingredient in anti-aging strategies.
Last Verified: Cosing database,cir safety assessment,ewg skin deep,pubmed clinical studies
Primary Sources: 2026-03-12