Dr Miracles Strong Healthy Length Retention Leave-in Cream 12 ozDr Miracles Strong Healthy Length Retention Leave in Cream 12 oz: If you're looking for a leave in cream that will help your hair stay strong, healthy and retain length, look no further than Dr Miracles. This expertly formulated cream is packed with essential nutrients that work to protect your hair from damage and promote growth. Its non greasy formula is easy to apply and won't weigh your hair down, leaving your locks looking voluminous and shiny.