What it is: A serum foundation that combines the fluidity of pure plant oils with the perfect amount of pigments that let skin breathe. What it does: This foundation delivers a smooth, flawless, bare skin feel with buildable coverage and 12 hours of impeccable wear (in a satisfaction test over 10 days with 109 women). The brand’s HD Light Optimizing Complex with pink pearls and soft-focus powders provides immediate radiance, while red jania extract reveals a luminous complexion. Mary’s thistle oil softens the skin and organic Leaf of Life extract hydrates for 24 hours (in a 24-hour test on 10 women).How to use: Use the glass dropper to dispense your desired amount onto your fingertips. Warm between the palms of your hands. Pat and smooth over your face, chin and neck. Apply pressure all over the face to help blend in the foundation. Style Name: Clarins Skin Illusion Natural Hydrating Foundation. Style Number: 5669265. Available in stores.