The Skin Tone Authority® Hydroquinone-Free All Skin Types Clinically Shown to Correct Dark Spots + Texture Encapsulated Retinol + Hyaluronic Acid + Ceramides Treat Fragrance-Free AMBI blends science and nature to create affordable high-quality skincare products that are specifically formulated to provide smooth, even-toned, flawless-looking skin. Made for and by those with diverse skin tones you can trust AMBI... The Skin Tone Authority. AMBI EVEN & CLEAR FADE SERUM is a powerful, yet gentle, dual-action formula, clinically shown to help reduce the appearance of dark marks and skin discolorations, while improving the skin's texture, the appearance of skin tone evenness, and enlarged pores.