Spray de Force Épaississant is a strength and thickness enhancing spray for weakened, fine hair prone to thinning. With a cocktail of highly effective ingredients that instantly strengthen and thicken the hair fiber for an immediate more voluminous look. The hair is 5 times more voluminous* and increases the resistance of the fiber by +85%**. It is a daily treatment to prevent hair loss from the root, reducing it in 6 weeks. Format: 150 ml.