La Sana Seaweed Hair Serum Milk Morning Repair 〈Hair Treatment〉 ~Leave-in Type~ Floral & Fruity Fragrance Repair & Styling Naturally shiny and smooth This is a morning leave-in milk-type serum. How to use ● Take an appropriate amount in your hand and apply it to your hair, focusing on the ends where dryness is a concern. ● Applying it to dry hair before using a curling iron or flat iron will help your hairstyle last longer.