Grade: C (Unclear or Conflicting Scientific Evidence)
Therapy	Specific therapeutic Use(s)
Cedar	Alopecia areata (hair loss)
Lavender	Alopecia/hair loss (lavender used on the skin)
Onion	Alopecia areata (hair loss)
Rosemary	Alopecia areata (hair loss)
Saw palmetto	Male-pattern hair loss
Selenium	Dandruff
Tea tree oil	Dandruff
Thyme	Alopecia areata (hair loss)
Thymus extract	Alopecia
Zinc	Alopecia (hair loss)
Traditional or Theoretical Uses which Lack Sufficient Evidence
Therapy	Specific therapeutic Use(s)
Acacia	Dandruff
Aconite	Dandruff
Aloe	Hair loss
Apple cider vinegar	Dandruff prevention (topical)
Arnica	Alopecia (hair loss)
Avocado	Hair growth
Bamboo	Dandruff
Bay leaf	Dandruff
Biotin	Alopecia areata (hair loss)
Burdock	Dandruff
Chaparral	Dandruff
Coenzyme Q10	Hair loss (and hair loss from chemotherapy)
Comfrey	Hair tonic
Dandelion	Dandruff
Desert parsley	Dandruff
Elderberry and elder flower	Hair dye
Emu oil	Alopecia (hair loss)
Fenugreek	Baldness
Garlic	Hair growth
Ginger	Baldness
Goldenseal	Dandruff
Gotu kola	Hair growth promoter
Horsetail	Hair loss
Hydrangea	Male baldness
Jewelweed	Hair dye
Labrador tea	Dandruff
Lime	Hair loss
Morus nigra	Hair tonic (premature graying)
Muira puama	Alopecia (hair loss)
Nopal	Hair tonic
Oregano	Dandruff
Pantothenic acid	Alopecia
Pygeum	Male baldness
Rehmannia	Hair tonic (premature graying)
Riboflavin	Healthy hair
Rosemary	Baldness
Safflower	Hair growth
Sage	Baldness
Seaweed, kelp, bladderwrack	Hair loss
Spirulina	Hair loss
Squill	Dandruff
Stinging nettle	Alopecia (hair loss)
Vitamin E	Hair loss
Watercress	Alopecia (hair loss)