D’or24k Collagen Renewal Serum is a lightweight, non-greasy serum that is designed to help improve the appearance of fine lines and wrinkles, as well as promote firmer, more youthful-looking skin. The key ingredients of this serum include: - Hydrolyzed collagen: This ingredient helps to boost collagen production in the skin, which can help to improve skin elasticity and reduce the appearance of fine lines and wrinkles. - Vitamin C: This ingredient is a powerful antioxidant that helps to protect the skin from free radical damage. It also helps to brighten the complexion and even out skin tone. - Hyaluronic acid: This ingredient helps to hydrate the skin and plump up fine lines and wrinkles.