Namely
Niacinamide (Vitamin B3) is used in cosmetics to strengthen the cutaneous barrier and soothe sensitive skin. This nicotinic acid derivative (niacin) is found in numerous products to combat acne and blemishes.
Its functions (INCI)
Smoothing : Reduces roughness or irregularities to make the skin uniform
This ingredient is present in 5.15% of cosmetics.
Serum (35.52%)
Brightening and anti-dark spots treatment (28.78%)