Did you know your gut health can affect your skin? Our gut governs many functions and stores 70% of the cells that build up our immune system. Skin Youth Biome works to support and maintain your gut health flora which results in many benefits for all skin types and ages. Using microbiome technology, Skin Youth Biome works to challenge visible signs of ageing. Skin types: All skin types. Especially those who desire a youthful looking complexion and a normal, healthy flora.