Profile: Niacinamide.
Details
Properties
Antibacterial: Inhibiting the growth of Propionibacterium acnes, a bacterium involved in the pathogenesis of acne;
Anti-inflammatory: To soothe and calm skin prone to inflammation or redness, particularly by reducing the synthesis of pro-inflammatory cytokines;
Antioxidant: Protecting the skin from the attack of free radicals, known to trigger the formation of premature aging signs, by increasing the levels of NAD and NADP cofactors within the cells;
Astringent: Reducing the size of enlarged pores back to their original size by decreasing the amount of sebum produced by the sebaceous glands;
Brightening: Diminishing the appearance of brown spots by inhibiting the transfer of melanin from the melanosomes located at the base of the epidermis to the neighboring epidermal cells (keratinocytes);
Moisturizing: Reducing transepidermal water loss and maintaining moisture content in the skin by strengthening the skin's barrier function, supported by an increase in ceramide production in the stratum corneum and an acceleration of keratinocyte differentiation;
Photoprotective: Decreasing the incidence of new skin cancers by enhancing the energy of cells irradiated by sunlight, reducing the level of immunosuppression induced by UV radiation, and improving DNA repair;
Firming: Reducing the appearance of wrinkles and improving skin elasticity by stimulating the natural production of collagen in the dermis and epidermal proteins (keratin, filaggrin, and involucrin);
Sebostatic: Balancing the excess sebum production, thereby controlling the formation of acne lesions and the obstruction of pores.
Applications
Facial Care (serums, face creams, sun care, soothing tonics, cleansing gels, eye contour treatments);
Body Care (moisturizing lotions/balms);
Hair Care (shampoos) ;
Makeups (foundations, concealers, complexion correctors);
Hygiene (deodorants, cleansing oils).
Preservation Method
Store in a dry place at a temperature below 77°F, and protect from moisture and direct sunlight.
Contraindications, Usage Precautions
In topical formulation, niacinamide is a safe compound with rare side effects. It is also well tolerated by all skin types. Minor side effects listed include slight redness, tingling, and warming sensations. To limit these discomforts, always remember to perform a skin test in the crook of your elbow, on the inside of your wrist, or behind the ear for 24 hours before applying to a larger area.