Brand from Japan: La CASTA. A mildly acidic amino acid shampoo that gently envelops and washes fine, soft hair with fine bubbles.A fresh citrus floral scent that will lift your spirits.How to use:Pre-wash with lukewarm water before applying the shampoo.Lightly remove dirt, dust, and styling products from your hair and scalp, and thoroughly wet your hair to prevent friction between hair strands.Take an amount about the size of a 500 yen coin in your hand, spread it on your palm, lightly lather, and spread it over your entire hair.Use the pads of your fingers to thoroughly lather the hair while incorporating air, and gently envelop it in the foam to wash.The key is to lather generously to prevent friction on your hair, which can cause damage.Be aware of the lifting effect, and massage your scalp in a zigzag motion as you shampoo.Massage your scalp in a circular or zigzag motion with your fingers.