Ingredient GlossaryGood for you. Good for your skin. Discover more about these powerhouse ingredients behind the Estée Lauder formulas you love. What they do, how they work and where they’re from.Filter By: ALL A-C D-G H-M N-R S-Z Discover Ingredient Glossary Tuber Melanosporum Extract Tuber Melanosporum ExtractAlso known as the highly-coveted Black Diamond Truffle, our exclusive, potent energy-infusing extract that helps stimulate skin's visible vitality. Naturally Derived* Featured In Quick Shop Re-NutrivUltimate Diamond Transformative Eye Creme Luxury for eyes, with Black Diamond Truffle Extract. $505.00 Quick Shop Re-NutrivUltimate Lift Regenerating Youth Eye Creme Rich $310.00 Quick Shop Re-NutrivUltimate Lift Regenerating Youth Creme Rich $490.00*Per ISO Standard 16128. From plant sources, non-petroleum mineral sources, and/or water.