At Biotherm, we believe in successful aging. Only 20% of signs of aging are inevitable, you can act on the rest. Biotherm introduces NEW Blue Therapy Accelerated Anti aging Serum: a fast-acting serum formula to instantly soften and beautify skin. Concentrated in Algae of Youth, the three most visible signs of aging - wrinkles, dark spots and loss of firmness - are dramatically improved over time with this anti-aging serum. The more you use Blue Therapy Accelerated serum, the better the results. Skin feels instantly softer and suppler after application. After 4 weeks, fine lines, dark spots and cheek folds are significantly reduced. 89% of women feel their skin looks more radiant, more luminous*. Use in combination with Blue Therapy Accelerated Anti-Aging Cream to maximize anti-aging repair efficacy. Each day, visibly reduce the appearance of wrinkles, fine lines and dark spots. *Self-assessments, 61 women.