Consumer goods product comprising carboxylated lignin oligomer

wherein: lignin backbone' is the lignin structural backbone; and L is a linker comprising an —OH moiety; (c) has a hydroxyl content of at least 3 mmol/g; and (d) has a functionalisation content of from 0.2 mmol/g to 2.3 mmol/g. lignin_backbone-O—L—COOH The present invention relates to a consumer goods product comprising a consumer goods product ingredient and a non-cross linked functionalised lignin oligomer, wherein the lignin oligomer: (a) has a number average molecular weight (Mn) in the range of from 800 Da to 1,800 Da; (b) comprises the functional group: ...