| Issue Date | Title | Author(s) |
| 2020 | African indigenous contraception: a review. | Otang-Mbeng, Wilfred. |
| 2020 | Anti-Melanogenesis, antioxidant and anti-Tyrosinase activities of Scabiosa columbaria L. | Otang-Mbeng, Wilfred. ; Sagbo, Idowu Jonas. |
| 2020 | Anti-proliferative and genotoxic activities of the Helichrysum petiolare Hilliard & B.L. Burtt. | Sagbo, Idowu Jonas. ; Otang-Mbeng, Wilfred. |
| 2019 | Antimicrobial activity, antioxidant potential, cytotoxicity and phytochemical profiling of four plants locally used against skin diseases. | Otang-Mbeng, Wilfred. |
| 2019 | Are plants used in the Eastern Cape Province for cosmetics fully commercialized? | Sagbo, Idowu Jonas. ; Otang-Mbeng, Wilfred. |
| 2019 | Botanicals used for cosmetic purposes by Xhosa women in the Eastern Cape, South Africa. | Otang-Mbeng, Wilfred. |
| 2021 | Cytotoxic, cellular antioxidant, and antiglucuronidase properties of the ethanol leaf extract from Bulbine asphodeloides. | Otang-Mbeng, Wilfred. ; Sagbo, Idowu Jonas. |
| 2020 | Evaluation of the efficacy of ethanol leaf extract of Helichrysum petiolare Hilliard and B.L. Burtt against skin aging. | Sagbo, Idowu Jonas. ; Otang-Mbeng, Wilfred. |
| 2019 | Gas chromatography–mass spectrometry analysis of the volatile compounds from the ethanol extracts of Bulbine asphodeloides and Helichrysum petiolare. | Otang-Mbeng, Wilfred. ; Sagbo, Idowu Jonas. |
| 2020 | Herbal-based cosmeceuticals and economic sustainability among women in South African rural communities. | Otang-Mbeng, Wilfred. |
| 2017 | Lifestyle factors and co-morbidities associated with obesity and overweight in Nkonkobe Municipality of the Eastern Cape, South Africa. | Otang-Mbeng, Wilfred. |
| 2019 | Medicinal plants used for contraception in South Africa: a review. | Otang-Mbeng, Wilfred. |
| 2019 | Medicinal plants used for skin-related diseases among the Batswanas in Ngaka Modiri Molema District Municipality, South Africa. | Otang-Mbeng, Wilfred. |
| 2020 | Natural resources used as folk cosmeceuticals among rural communities in Vhembe district municipality, Limpopo Province, South Africa. | Otang-Mbeng, Wilfred. |
| 2020 | Phytochemical screening and gas chromatography-mass spectrometry analysis of ethanol extract of Scambiosa columbabria L. | Sagbo, Idowu Jonas. ; Kola, Elizabeth. ; Otang-Mbeng, Wilfred. |
| 2019 | Plant species used for cosmetic and cosmeceutical purposes by the Vhavenda women in Vhembe District municipality, Limpopo, South Africa. | Otang-Mbeng, Wilfred. |