
| INCI name French name | Other names | Origin (s) | Function (s) |
|---|---|---|---|
| Tropaeolum majus flower/leaf/stem extract Indian Cress Flower, Leaf & Stem Extract | Tropaeolum majus flower/leaf/stem extract | Plant | Skin Conditioning Agent |
| Tropolone Tropolone | Tropolone | Synthetic | Skin Conditioning Agent |
| Troxerutin Troxerutin | Troxerutin | Synthetic | Skin Conditioning Agent , Veinotonic agent |
| Tryptophan Tryptophan | Tryptophan | Synthetic , Animal | Fragrance Ingredient , Antistatic , Hair Conditioning Agent , Masking |
| Tuber melanosporum extract French Black Truffles Extract | Tuber melanosporum extract | Plant | Humectant , Skin Conditioning Agent |
| Tulipa gesneriana flower extract Garden Tulip Flower Extract | Tulipa gesneriana flower extract | Plant | Skin Conditioning Agent |
| Turnera diffusa leaf extract Damiana Leaf Extract | Turnera diffusa (Damiana) extract , Turnera diffusa (Damiana) leaf extract , Turnera diffusa extract , Turnera diffusa leaf extract | Plant | Skin Conditioning Agent |
| Turpentine Turpentine Oil and Rectified Oil | Turpentine | Plant | Perfuming |
| Tussilago farfara leaf extract Coltsfoot Leaf Extract | Tussilago farfara leaf extract | Plant | Astringent , Skin Conditioning Agent , Skin conditioning - Emollient |
| Tyrosine Tyrosine | Tyrosine | Synthetic , Animal | Antistatic , Hair Conditioning Agent , Masking , Skin Conditioning Agent , Fragrance Ingredient |
| Ubiquinone Ubiquinone | Ubiquinone , Ubiquinone 50 | Synthetic | Antioxidant , Skin Protecting Agent |
| Ulex europaeus extract Ulex Europaeus Extract | Ulex europaeus extract | Plant | Skin Conditioning Agent |
| Ulex europaeus leaf/root/stem extract Gorse Leaf, Root & Stem Extract | Ulex europaeus leaf/root/stem extract , Ulex europaeus (Gorse) leaf/root/stem extract | Plant | Skin Conditioning Agent |
| Ulva lactuca extract Sea Lettuce Extract | Ulva lactuca extract , Ulva lactuca extract (Extrait d’algues Ulva lactula) | Plant | Hair Conditioning Agent , Skin Conditioning Agent |
| Uncaria tomentosa extract Cat's Claw Extract | Uncaria tomentosa extract , Uncaria tomentosa extract (Uncaria tomentosa) | Plant | Skin Conditioning Agent |
| Undaria pinnatifida extract Undaria Pinnatifida Alga Extract | Undaria pinnatifida extract , Undaria pinnatifida (Algae) extract , Undaria pinatifida extract | Plant | Skin Conditioning Agent , Skin Protecting Agent |
| Undecane Undecane | Undecane | Synthetic , Mineral (Hydrocarbons) | Emollient |
| Undecyl dimethyl oxazoline Undecyl Dimethyl Oxazoline | Undecyl dimethyl oxazoline | Plant , Synthetic | Skin Conditioning Agent |
| Undecylenoyl glycine Undecylenoyl Glycine | Undecylenoyl glycine , Undecylenoyl glycin | Plant , Synthetic , Animal | Surfactant , Cleansing Agent , Hair Conditioning Agent |
| Undecylenoyl phenylalanine Undecylenoyl Phenylalanine | Undecylenoyl phenylalanine | Synthetic , Animal | Skin Conditioning Agent |