Efficacy and Safety of a Combined Serum Containing Melasyl™, 10% Niacinamide, Hyaluronic Acid, and HEPES

Subjects were randomized to receive a combination serum The combination serum contained Melasyl™, 10% Niacinamide, Hyaluronic Acid, and HEPES. applied twice daily, following QS-Nd:YAG 1064 nm low-fluence laser treatment. Clinical evaluations were conducted at baseline and at Weeks 1, 2, and 4 post-laser to assess pigmentation improvement, erythema, and overall skin condition.

Subjects were randomized to received 2% hydroquinone cream, applied once daily at night, following QS-Nd:YAG 1064 nm low-fluence laser treatment. Clinical evaluations were conducted at baseline and at Weeks 1, 2, and 4 post-laser to assess pigmentation improvement, erythema, and overall skin condition.