Frazer HarrisonGetty Images Miranda Kerr shared the volumizing shampoo she swears by to keep her hair clean, healthy, and full of body. She loves using the Rahua Voluminous Shampoo, “every other day.” “It’s made with organic natural plant-based ingredients, and it smells amazing.” Just a few weeks away from her 39th birthday, Miranda Kerr is positively glowing. And you can bet that part of her stunning complexion and shiny, healthy-looking hair comes from using her go-to beauty products. Lucky for us, Kerr recently shared her go-to affordable shampoo that she uses “every other day” to achieve shiny, voluminous strands: Rahua Voluminous Shampoo. Rahua “It’s great and as I said I…