Get Longer, Stronger, and Healthier Hair With Celestial Ora's Red Onion Black Seed Hair Shampoo. 2-Red onion black seed shampoo will not only remove impurities from your scalp and the hairs but also nourish them along with Vitamin B5 3-Celestial Ora's Red Onion Black Seed Shampoo deeply cleans your scalp and hair with natural ingredients. It's paraben-free!