This bar is formulated for those with darker hair. We have added key ingredients that will promote hair growth and a healthy scalp. The infused olive oil has been carefully formatted for dark haired folks in mind. Here are a few of the benefits from some of the herbs we have added to the infused olive oil. Black Tea -- good for premature grayness and darkening hair while decreasing shedding. Black Walnut -- remedy for oily hair, the hulls are a source of natural hair dye that can darken hair. Burdock Root -- rich in fatty acids that stimulate blood flow to the scalp, nourishes and strengthens hair follicles to promote healthy hair growth. Green Tea -- loaded with antioxidants which benefit the hair and scalp by preventing hair loss and soothing hair conditions like dandruff. Parsley -- moisturizes, gives luster, stimulates growth, soothes scalp inflammation. Peppermint -- stimulates nerve endings and increases blood flow to the scalp while cooling and refining the scalp.