Helena Rubinstein Powercell Skinmunity, 75 ml, Skin Serums for Women, The Helena Rubinstein Powercell face serum is a product full of active ingredients, meaning it provides absolutely luxurious care for your skin. Characteristics: removes signs of fatigue restores freshness and youthful beauty to your skin hydrates and nourishes effectively restores skin elasticity How to use: Dab an appropriate amount of the serum gently into clean skin with your fingertips. Apply to the face, neck and chest.