Compare the Skin Barrier Repair Function of Two Ceramide Containing Moisturizers

Inclusion Criteria:

• Those who volunteer to participate in the trial, sign the informed consent, be able tocooperate with follow-up observation, and conduct the trial according to the guidanceof the doctor.

• Dry skin subjects with symmetrical distribution of forearm flexion diagnosed by adoctor.

• Those who are 30-80 years old, male or female.

• Those with good compliance who can not use other external drugs during the entireobservation period.

Exclusion Criteria:

• Those who do not sign the informed consent.

• Those with the history of allergies to test product and control product ingredients.

• Those who received or are receiving medical or physical therapy for any skin orsystemic disease recently (≤3 months)

• Those who have a large amount of exudation in the acute phase or who are infected atthe test site.

• Female subjects who are preparing for pregnancy, pregnancy, lactation, or within sixmonths after delivery.

• Those who participate in clinical trials of other moisturizing products or emollients.

• Those who are taking other oral medicines that affect the skin condition.

• Those who the investigator considers unsuitable for other reasons.