NONE
Conditions
Interventions
Group of Semiconductor Laser Hair Growth Comb (AS-SF01):Distribute the semiconductor laser hair growth comb (AS-SF01) and instruct on the usage method. The subjects are required to use the test sample
Group of Semiconductor Laser Hair Growth Comb (AS-SF03):Distribute the semiconductor laser hair growth comb (AS-SF03) and instruct on the usage method. The subjects are required to use the test sample
Sponsors
Cosmetics Testing Center, Dermatology Hospital of Southern Medical University
Eligibility
Sex/Gender
All
Age
25 Years to 40 Years
Inclusion criteria
Inclusion criteria: (1) Asians (Chinese), healthy females/males aged between 25 and 40 years old; (2) The hair length is between 5 and 40 cm; (3) Suffering from excessive hair loss and mild hair thinning, and the number of hair loss counted by the 60-combing method is more than 10 strands; (4) Those who have not undergone special hairdressing treatments such as hair dyeing, perming, and hair styling within the past one month; (5) The amount of white hair does not exceed 5%; (6) Those who are troubled by hair loss; (7) Those who can understand the experimental process, voluntarily participate in the experiment and sign a written informed consent form.
Exclusion criteria
Exclusion criteria: (1) Patients with severe androgenetic alopecia, alopecia areata, inflammatory cicatricial alopecia, or other patients suffering from scalp/hair diseases; (2) Those suffering from mental or psychological diseases; or those with long-term sleep and emotion control disorders; (3) Those who have used hair loss prevention cosmetics or other test samples with such effects or hair growth effects within the past 3 months; (4) Those who have taken or used any medications that affect hair growth locally within the past 6 months; (5) Those who have received hair transplantation treatment, wear wigs, or have hair extensions; (6) Those with curly hair; (7) Those who have applied any topical medications to the test site on the scalp within the past two months; (8) Those who have taken antihistamines within the past week or immunosuppressants within the past month; (9) Those with inflammatory skin diseases that have not clinically healed; (10) Insulin-dependent diabetes patients; (11) Patients with asthma or other chronic respiratory diseases who are currently receiving treatment; (12) Those who have received anticancer chemotherapy within the past six months; (13) Patients with immunodeficiency or autoimmune diseases; (14) Women who are planning to get pregnant, are pregnant, or are breastfeeding; (15) Those with obvious scars, pigmentation, atrophy, nevus flammeus, sunburns, wounds, abrasions, tattoos, or other defects on or near the test site on the scalp, which may affect the determination of the test results; (16) Those who have participated in similar head tests, oral medication tests, or other clinical trials within the past 2 months; (17) Those with a highly sensitive constitution, and those who are known to be allergic to the ingredients of cosmetics or daily chemical products, alcohol, rubber, or medications; (18) Those with other iatrogenic problems that may affect the test results (such as those with coagulation disorders, severe hyperglycemia, hypertension, hyperlipidemia, a history of mental diseases, or other major diseases); (19) Those who do not volunteer to participate or cannot complete the specified test content as required.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Hair loss count; | — |
Secondary
| Measure | Time frame |
|---|---|
| Head image shooting;Local hair density;The scalp positioning and imaging subsystem collects images.;Scalp oil;Overall hair density; | — |
Countries
China
Contacts
Public ContactYe Li
Dermatology Hospital of Southern Medical University
Outcome results
None listed