L'Oréal Group has introduced a new skincare ingredient called Melasyl in several products. Melasyl is reportedly used to target dark marks and hyperpigmentation, and is featured in at least 7 new skincare products from the company, including some from its L'Oréal Paris and La Roche-Posay brands. The ingredient's launch is part of a broader effort to address skincare concerns such as dark spots and uneven complexion.