How long does it take to get results depends on the individual’s physical condition, the degree of absorption of Colla Corii Asini and the length of time it takes to consume it. It can nourish the blood, beauty, menstruation and fetus. It is also useful for treating liver and kidney yin deficiency and skin roughness. It is best consumed in the morning on an empty stomach, when the body has the best digestive function, so that the active ingredients can be better absorbed and the medicinal value can be better utilized. The effect time of Colla Corii Asini varies from person to person, some people can take it for 1 week, some need to take it for 1 month, and there are a few people who are slow in absorbing it but do not see the effect for a period of time. In addition, Colla Corii Asini has medicinal value but should not be consumed without permission, and the dosage should be taken under the guidance of a doctor. In addition, people with weak spleen and stomach, indigestion, and heavy dampness should not consume it to avoid aggravating their condition.