This best-selling skin booster concentrate boosts the skin's natural multi-defensive strength against visible signs of ageing, environmental factors, and everyday stress. It uses ImuGeneration Technology and anti-oxidant rich reishi mushroom and iris root extracts to drastically strengthen skin, restore firmness, and protect against daily damage, resulting in skin that is 28 percent stronger in only one week. Skin seems smoother, firmer, more hydrated, and strong.