Hello Scholar, I am not aware about seminar on this topic but i can suggest that many botanical plants / medicinal plants are effective in curing dandruff like Mango seed kerne, Indian gooseberry fruit, Hibiscus flowers, basil etc. In Ayurveda Dandruff is called as Arunshika and many remedies are prescribed for the same in Ayurveda classical literature.

Hello scholar, one of the botanical plant you can use to treat dandruff is Cocos nucifera (L) Arecaceae (coconut oil)

The oil extracted from the coconut kernel can be applied to the scalp to treat and eliminate dandruff. e fatty acids in coconut oil combat the irrigation and flakes associated with dandruff and the lauric acid provide microbial balance properties that help soothe a dry, flaky scalp and rebalance the scalp's microbiome