4.5 Ounces. Promotes strong, healthy, growing hair.Thickens and strengthens weak and damaged hair. Doo Gro Mega Thick Growth Oil helps thicken and strengthen weak, damaged hair. Its special blend of oat protein, oat extract, meadowfoam seed oil, vitamins, pure herbs, shea butter and botanical thickeners provides needed nourishment for strong, healthy, growing hair. Doo Gro Mega Thick Growth Oil is safe for children and can be used on all types of hair including color-treated, relaxed and braided. No Mineral Oil. No Petroleum.