Niacinamide (vitamin B3) 15% concentration pe ek strong active ingredient hai jo skin barrier ko better banata hai, hyperpigmentation kam karta hai, sebum control karta hai, aur fine lines aur redness ki appearance ko reduce karta hai. Yeh generally sensitive skin pe bhi achha tolerate hota hai, lekin itni high concentration pe kuch logon ko thodi irritation ho sakti hai isliye pehle patch test kar lena better hai.