Lanza Ultimate Treatment Deep Treatment Lanza Ultimate Treatment Deep Treatment is an advanced nutrient delivery system that carries powerful vitamins, proteins and healing actives into hair for optimal conditioning. It restores essential proteins, moisture and minerals to the hair. It"s designed to be combined with Step 2a Power Boosters to create a high-tech delivery system that transports healing actives deep into the hair"s cortex. Each Ultimate Treatment formula contains Lanza"s exclusive Tranquil Bliss aromatherapy fragrance. This relaxing blend of certified organic essential oils create the ultimate spa-like experience for you.