Efficacy Evaluation of Pitaya Ovule Extract on Skin

Exclusion Criteria

• •Received medical cosmetic treatment (including cosmetic skin care, laser, fruit acid peeling, injection or plastic surgery, etc.) currently or within one month before the trial
• •Outdoor workers (exposed to the sun more than 5 hours a day)
• •People who are breastfeeding, pregnant or planning to become pregnant during the test (self-report)
• •People with heart, liver, kidney, endocrine and other major organic diseases (self-reported)
• •People who have undergone major surgery (according to medical history)
• •People who take drugs for a long time
• •People with mental illness
• •Students who are currently taking courses taught by the principal investigator of this trial