Photoaging
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1 Volunteers who are at least 18 years of age and in good health under 40 years of age; 2 No previous history of skin disease; 3 Ability to comply with the protocol and willingness to cooperate with follow-up visits; 4 Volunteer to participate in this study and agree to the use of mid-infrared light to irradiate the skin, and finally sign the informed consent form;
Exclusion criteria
Exclusion criteria: 1 Female subjects of childbearing age who are pregnant, breastfeeding, or unwilling to use effective contraception throughout the trial period; 2 Persons with a history of laser treatment, chemical peels, soft tissue fillers, botulinum toxin type A or other unknown substance injections within 6 months; 3 Those with a history of skin rejuvenation surgery; 4 Those who have undergone radiotherapy or other treatments that interfere with healing; 5 Patients with a past history of severe skin disease; 6 Patients with a history of skin allergies; 7 Persons who, in the opinion of the investigator, are otherwise unsuitable for clinical trials.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Collagen thickness; | — |
Secondary
| Measure | Time frame |
|---|---|
| Hydration;Transepidermal water loss;Melanin; | — |
Countries
China
Contacts
First Affiliated Hospital of Army Military Medical University