Lignin, methods of extraction and uses thereof (cosmetics)

Patrícia Costa (Inventor), Inês Mota (Inventor), Filipa Antunes (Inventor), João da Silva Burgal (Inventor), Manuela E. Pintado (Inventor)

Research output: Patent


The present disclosure relates to a light-brown lignin, with a sweet and woody odour, antioxidant activity and ultraviolet protection for use in cosmetics. The present disclosure also relates to an alkaline method of extracting said lignin from sugarcane bagasse using mild conditions, the lignin obtained by the method of the present disclosure also has a high purity. The lignin of the present disclosure may be used in cosmetic composition, such us beauty products, in particular a face cream, more in particular blemish balm (BB) cream.
Original languageEnglish
Patent numberPCT/IB2022/059789
Priority date12/10/21
Filing date12/10/22
Publication statusPublished - 20 Apr 2023


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  • Lignin, methods of extraction and uses thereof (cosmetics)

    Costa, P. (Inventor), Mota, I. (Inventor), Antunes, F. (Inventor), Burgal, J. D. S. (Inventor) & Pintado, M. E. (Inventor), 12 Oct 2021, (Submitted) Instituto Nacional da Propriedade Industrial, Patent No. PT117515, 12 Oct 2021, Priority date 12 Oct 2021, Priority No. 117515

    Research output: Patent

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