Article in English: Talk to your tattoo artist about how long it's best to wait. Generally, though, you can shower within the first 24 hours after getting your new ink. Waiting 2 days gives your skin more time to form a barrier over the tattoo. Hot water can make your tattoo sting, so it's best to avoid it. Hot water too soon after getting a tattoo can also make you lose color from your tattoo, as it opens your pores, so it's best to avoid it. Try running cold water on the tattoo for 30 seconds at the end of your shower to tighten your pores. Don't use a hard spray on your tattoo, as it can irritate it. If you only have a shower head with a heavy spray, let the water run over the tattoo indirectly. You can also use a clean cup or your hand to pour a gentle stream of water over your tattoo. Any mild soap will do, including bar soap or liquid hand soap. You can use antibacterial soap if you prefer. Lather the soap in your hands, then apply it to the tattoo.  Just rub it in gently with your fingers. Avoid using loofahs and sponges until the tattoo heals, as they can carry bacteria. Your tattoo will likely have dried blood and other debris on it, which you need to remove. However, you should not scrub it, as that can irritate it. Once you rub the soap into your tattoo, pour water over it to rinse the soap off. If you need to, use your fingers to gently rub the soap off under the water. Hop out of the shower quickly. When in the shower, your tattoo comes in contact with steam, water, and soap. That can be painful and irritating for your tattoo, so avoid staying in the shower too long. Also, try to keep your tattoo out from under running water when washing the rest of your body for at least a week. Don't rub the tattoo with the towel, as that could irritate it. Simply dab at the tattoo gently, until it's dry. You may notice a little bit of blood, which is fine. You can use paper towels if you don't have a newly cleaned towel on hand or if your usual bath towel leaves fibers on your skin. Dirty towels can introduce bacteria.

Summary in Vietnamese:
Chờ khoảng 24 tiếng trước khi tắm. Tắm nước hơi ấm. Chỉnh đầu vòi sen cho nước chảy nhẹ hoặc để hình xăm tránh xa tia nước. Dùng tay xoa xà phòng nhẹ dịu và không mùi lên hình xăm. Rửa hình xăm nhẹ nhàng với nước. Thấm khô bằng khăn mềm và sạch.