All The Power Of Extra-Pure Hyaluronic Acid To Intensely Replenish The Skin. Apply generously, morning andor evening to a clean face, neck and decollete. Apply directly to the skin, or over your usual Filorga serum. Massage in using the fingertips. Ideal makeup foundation. Hyaluronic acid acts as a true moisturizing perfusion and can hold up to 1000 times its weight in water. Our treatment combines two effective hyaluronic acids (high molecular weight + micro-fragmented) for a micro-filler effect and visible hydration. In parallel, collagen production is re-boosted to limit wrinkles and cracks in the dermis.