TheBiostrand Signature Collection is an easy to use program for all hair types. Your hair and scalp require moisture & protein, as well as daily amounts of natural conditioning to maintain the proper pH level and help minimize breakage. Applying Biostrand's light natural formulas increases your hair and scalps exposure to oxygen, moisture, and nutrients. TheBiostrand Signature Collection is absorbed into the hair and scalp conditioning the hair FROM THE INSIDE OUT promoting strong and healthy hair. 8oz withPhormeOriginal.