Biotera Leave-In Conditioner delivers a steady boost of moisture to dry or damaged hair. why is it different? Infused with Calendula and Yarrow extracts to rejuvenate and condition the hair while adding body and shine, Biotera Leave-In Conditioner provides long-lasting moisture & nourishment. Also, smoothes & repairs cuticle damage for optimal detangling and manageability. who is it for? Biotera Leave-In Conditioner is perfect for all hair types as a quick, post-shower detangler in place of your conditioner. For dry, damaged or chemically-treated hair, use it in addition to your in-shower conditioner.