None listed
Conditions
Interventions
Sensitive oily skin group:none
Non sensitive oily skin group:none
Sensitive dry skin group:none
Non sensitive dry skin group:none
Normal skin population:none
Sponsors
School of Public Health, Zhengzhou University
Eligibility
Sex/Gender
Female
Age
19 Years to 21 Years
Inclusion criteria
Inclusion criteria: 1. Females aged 19-21 years; 2. Sensitive oily skin group: positive lactic acid sting; forehead skin saturated oil content =120 µg/cm2; Corneometer value >45 a.u. at the intersection of the corners of the eyes and mouth; 3. Non-sensitive oily skin group: non-positive lactic acid sting, forehead skin saturated oil content =120 µg/cm2; Corneometer value >45 a.u. at the intersection of the corners of the eyes and mouth. cm2; Corneometer value >45 a.u. at the intersection of the corner of the eye and the corner of the mouth. 4. Sensitive dry skin group: positive lactic acid sting; Corneometer value = 45 a.u. at the intersection of the corner of the eye and the corner of the mouth; forehead skin saturated oil content 45 a.u. at the intersection of the corners of the eyes and the mouth. 7. No serious systemic disease, immunodeficiency or autoimmune disease, no skin treatment, cosmetic treatment or other tests that may affect the results at the test site. 8.No active allergic diseases. 9. No contact dermatitis has occurred. 10. No use of hormonal drugs or immunosuppressive agents within the last month. 11. No other clinical trials at the subject site now or in the last three months.
Exclusion criteria
Exclusion criteria: 1. Subjects are pregnant, breastfeeding or planning to become pregnant; 2. Subjects with severe systemic disease, current or topical topical corticosteroids, vasoconstrictors, antibiotics, anti-inflammatory drugs, high doses of VitC, ß-carotene, etc. within 2 weeks prior to the start of this study; 3. Subjects are currently using or have used any antihistamines within 2 weeks prior to the start of the study. 4. Subjects with severe allergic disease or who have had cosmetic allergy within the last 1-2 years. 5. Currently or have participated in other clinical trial studies within 3 months prior to the start of this study; 6. Have undergone surgery or medical aesthetics in the test area within the past 1 year. 7. Subject has a history of skin disease or other medical conditions in the test area and other conditions that preclude the use of the test sample. 8. The subject has any other condition that the investigator considers unsuitable for participation in the trial;.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Skin surface moisture;Transepidermal water loss value; | — |
Countries
China
Contacts
Public ContactZhenxing Mao
School of Public Health, Zhengzhou University
Outcome results
None listed