Jack Black

Jack Black Protein Booster Skin Serum

What it is: An advanced anti-aging serum that offers a daily dose of anti-aging defense. Who it's for: All skin types. What it does: Its silky liquid texture is readily absorbed, allowing for immediate delivery of the efficacious ingredients. This serum contains peptides, which are chains of amino acids (the building blocks of protein) that are essential to human life. They function as messengers in the skin, allowing the epidermis and dermis to