Camellia sinensis (Green tea extract): Generally beneficial, rich in antioxidants.
Azadirachta indica (Neem): One of the most versatile Ayurvedic herbs. Used for its healing properties.
Ocimum sanctum (Krishna Thulasi, Holy Basil): Has many different uses in Ayurveda, both internally and externally. Here, among other things, against itching and fungal infections.
Symplocos racemosa (Lodhra): Used for rashes and itching. Slightly astringent.
Cinnamonum camphoral (Camphor): astringent, cooling.
Emblica officinalis (Amla): Widely used in Ayurvedic hair care, rich in vitamin C.
Calendula officinalis (Marigold): Well known medicinal herb in most traditions. Rich in tripensaponides.
Trigonella foenum graecum (Fenugreek): Anti-inflammatory, anti-itch, rich in minerals and flavonoids.
Arnica montana flower extract: Analgesic, for dandruff and itching.
Eugenia caryophyllus (Clove): mildly analgesic, antiseptic, astringent and anti-inflammatory.
Melaleuca leucadendron (Tea Tree): Cooling, healing, often used for burns.

*Ayurveda is a complex science and the various herbs can be used in many ways and in different mixtures. Here are the properties as described for hair care, in available Ayurvedic literature.