1, the effect. Watsons azelaic acid can sterilize and remove acne, and can improve the imbalance of skin flora.

2, lipophilic. Watsons azelaic acid is slightly soluble in water and has good lipophilicity. According to China Trademark Network, Watson's trademark belongs to A.S.WATSONTMLIMITED, and the applicant's address is Ruizhida Enterprise Service Center, Yaner District, Lude Town, Todora, British Virgin Islands, with the zip code VG110. The date of trademark application is198101.07, and the date of registration announcement is19821.1.30.