Complex sentence: L'Oréal ranks as the sixth nanotechnology patent holder in the United States, they have used nanocapsules to deliver active ingredients like Vitamin A and retinol in deeper layers of the skin.
Split into simpler sentences: L'Oréal ranks as the sixth nanotechnology patent holder in the United States. They have used nanocapsules to deliver active ingredients like Vitamin A and retinol in deeper layers of the skin.