When it comes to skincare, the use of active ingredients plays a crucial role. At SKIN functional, we understand the significance of incorporating effective ingredients at Optimal Concentrations® in all of products, to ensure maximum effectiveness. One of our standout ingredients, Alpha Arbutin, specifically targets pigmentation issues, helping to even out skin tone and diminish unwanted dark spots. Additionally, our extensive range of Vitamin A products stands as a gold standard in addressing an array of skin concerns. Shop by Ingredient to find a product that targets your specific skin concern.