| It's Skin, Retinoidin Serum 30 ml, Regenerating Face Serum For All Skin Types. It's Skin Retinoidin Serum is a regenerating face serum for all skin types. An anti-aging facial serum designed to combat wrinkles, spots, lack of elasticity and premature aging, including damage caused by excessive sun exposure. Retinoidin Serum combines a powerful blend of ingredients including retinol, hyaluronic acid, niacinamide, adenosine and ceramides. Retinol, a derivative of vitamin A, is known to promote collagen synthesis and improve skin texture by reducing wrinkles and evening out pigmentation. Niacinamide, a pro-vitamin B, counteracts transepidermal water loss, brightens hyperpigmentation and soothes … | |