Skin dry and tight when you can use a spray or toner to supplement moisture, but it is best to use a gentle cleansing after use, the amount does not have to be too much, too much will make the excess water evaporation and take away more water, so the skin is more dry, so if you use a spray or toner in the amount of the case, the available cotton pad to wipe off excess water, and then apply moisturizing lotion to lock the water, will be able to play the role of hydration. Drinking water is also able to hydrate, and is the basis of hydration. The human body needs about 1.2-1.5 liters of water per day, drinking water to drink according to the plan, drinking a lot of water at once will not play the desired effect of hydration. An environment with appropriate air humidity can also play a role in hydrating the skin, even if the water can not be replenished will play a moisturizing effect, such as indoor anti-positioning humidifier can increase the water content of the air, thereby increasing the moisture in the skin keratin. Mask can also play a certain effect of hydration, 1-2 times a week mask can be applied, mask time should be controlled in 15-20 minutes appropriate, if the time is too long, not only will not make the skin to absorb the water in the mask, but will make the skin in the water is sucked out of the mask, the face will become more dry. You can apply moisturizing lotion or cream immediately after applying the mask to retain the moisture. In addition, hydrafacial injections, which can improve skin color and enhance skin elasticity, moisture and luster by adsorbing the skin with a special instrument that has a negative pressure system, and at the same time injecting hydrating substances such as hyaluronic acid and botulinum toxin into the dermal layer of the skin with a special injection tool.