The No7 Ultimate Skincare Collection includes products with key ingredients such as hyaluronic acid, retinol, peptides, and collagen peptides. These ingredients offer various benefits for the skin, such as hydration, plumping, anti-aging, and protection against free radicals. The collection features products like the Protect & Perfect Intense Advanced Anti Aging Skincare System, which includes a day cream with SPF 30, a hydrating shea butter night cream, and a rice protein & hyaluronic acid face serum. The active ingredients in these products are collagen peptide, hyaluronic acid, matrixyl, and vitamin E. Customers have expressed satisfaction with the moisturizing and anti-aging properties of these products, making them suitable for all skin types. However, specific details about the negative aspects of the products are not readily available in the search results. For a comprehensive understanding of the ingredients and their effects, it is advisable to consult the official No7 website and customer reviews. .