1, the price is less than 2000 yuan, and most of them are "Ogilvy" posing as hyaluronic acid; 2, the price of 2000 ~ 2500 without national certification of hyaluronic acid or parallel hyaluronic acid; 3. Authentic hyaluronic acid with a price of 3500 ~ 4500; 4. The price is 5500 ~ 12000 yuan: genuine imported hyaluronic acid or collagen (restylane, Aibeifu, Shuangmei) can only be sold in the institutions designated by the Food and Drug Administration!