- Ohana Herbs has a herbal organic proprietary herbal pandan neem shampoo and tonic set that uses a combination of fruit enzymes, natural tropical herbs and plants. Enjoy the cooling sensation and soothing feeling upon immersion of herbal shampoo on scalp. The herbal infusion works to treat hair thinning,post partum hair loss, itchy/ oily/ flaky scalp, lice, dull and dry hair. It works as a 2 in 1 for all hair types.Ginseng serum is a hair serum that boost hair growth for those with alopecia, balding hair. The Ohana herbs Ginseng serum to be used after drying your hair and applied at scalp.