O3+ Derma Cult Niacinamide Serum

O3+ Derma Cult 10% Niacinamide Serum

is an affordable, vegan, and cruelty-free serum formulated to reduce acne marks, oiliness, and improve skin texture using zinc and niacinamide. While some users report positive results in reducing oil and blemishes, others have complained about the packaging quality and a lack of visible results.