Those with tired or distressed skin will appreciate AUTEUR's 'Composition No.1 Serum'; which works overnight. It's charged with over 40 active ingredients, including Gold Pro-Collagen Complex, Encapsulated Retinol, and restorative peptides to aid cellular repair and boost the presence of oxygen in the skin. A Skin Lipid Matrix uses skin-identical lipids to protect the all-important barrier function, too. It comes in a refillable glass vessel that's tinted to protect the formula. - Comes in a recyclable, refillable glass bottle - More than 50% of this product is made with certified organic ingredients - Vegan-friendly This product was created using Considered Ingredients. Find out more about NET SUSTAIN here.