Product Package: 6ml*5 / BOX Main INGREDIENTS: TCA 35%, Vitamin B12, Retinol, Squalene oil, Arginine, Vitamin C, Proline, Glycine, AHA, PHA, BHA How to use: To use the product, first remove the cap and shake the bottle well to mix the oil and water layers. Then, use a syringe to draw up 2ml