US Patent No. 11,666,518 B2 (Kassandra Tadini D’annolfo, Priscila Carollo Moncayo, Eduardo Alexandre De Oliveira Reis, Fabiana Paes, Ricardo Augusto Santos De Oliveira, Daniela Zimbardi); Natura Cosméticos S.A., Säo Paulo, has patented an anti-aging cosmetic serum comprising at least one antioxidant selected from the group consisting of butylated hydroxytoluene (BHT), tocopherol acetate, natural plant extracts, and mixtures thereof; at least one humectant selected from the group consisting of glycerol, glycols, sorbitol, mannitol, and mixtures thereof; a combination of Hymenaea courbaril extract and a mixture of unfermented Paeonia albiflora root extract/ phenoxyethanol/ethylhexylglycerin; at least one emulsifier (selected from the group consisting of polyethylene glycol (PEG)-40 hydrogenated castor oil, glyceryl citrate, potassium cetyl phosphate, PEG-100, acrylates, xanthan gum, cetearyl alcohol, mixture of glyceryl stearate/PEG-100, and mixtures thereof); and cosmetically acceptable carriers.