Haruharu Wonder Black Rice Night Knight Retinol Serum is a gentle yet effective night-time treatment designed to visibly smooth fine lines and improve skin texture over time. Its formulation features stabilized retinol combined with fermented black rice extract, which helps to soothe and strengthen the moisture barrier while the active ingredient works. This serum is ideal for those looking to incorporate retinol into their routine without excessive irritation, offering a smoothing and brightening effect. Use it to support firmer, more youthful-looking skin while minimizing the discomfort often associated with traditional retinol products. The 20ml bottle is convenient for nightly application, helping to reveal a refined and radiant complexion.