Logona's Organic Sea Buckthorn Repair Shampoo gently cleanses, repairs and cares for damaged hair. This vegan and natural formula is a true repair treatment with organic sea buckthorn oil and mild surfactants that soften damaged hair structure and prevent damage. How to use Lather some shampoo in the palm of your hand and then massage it into your scalp. Leave it on for 2 minutes and then rinse well.