The BIOPTRON YouTHron Color Therapy Set consists of 7 individual color filters in velvet pouches for a Lumia Therapy session. The seven colored filters are available in: red, orange, yellow, green, blue, violet and indigo and they are sold as a set of 7. They are hand-made in our French factory & enriched during the production process with bio-information. Besides being handmade, the filters are enriched with bio-information*. Using biophysical methods and devices, the Zurich-based institute for Bio-information has been developing highly structured regenerative information patterns for years. These patterns are obtained from plants, precious stones, metals, minerals, trace elements as well as inert gases, fermenting substances and more. * The Indigo filter is not bio-informed. Bioptron Pro 1 SOLD SEPARATELY.