Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-25 @ 1:45 AM
Ignite Modification Date:
2025-12-25 @ 1:45 AM
NCT ID:
NCT03659994
Eligibility Criteria:
Inclusion Criteria:
* Male aged 18 - 40 (inclusive)
* Healthy as determined from medical history
* Fitzpatrick skin type I-IV (See Appendix 1) with dark facial hair (brown or black)
* Non-smoker, or who quit smoking ≥6 months prior to visit 1
* Body mass index 18.0 - 29.9 kg/m2 (inclusive)
* Willing to avoid alcohol consumption 24 hours prior to the clinic visit and during the two 5-day assessment periods of facial hair growth
* Willing to maintain a stable body weight, activity level, sexual activity levels and dietary patterns, except for use of the study products, as directed
* Willing to maintain current outdoor activity amounts
* Willing to maintain current sexual activity level
* Willing to maintain current sleep habits
* Agrees to maintain current shaving habits during the study period with the exception of the assessment periods, during which participant agrees to avoid shaving
* Willing and able to provide consent for photographic release
* Willing and able to provide informed written consent
Exclusion Criteria:
* Individuals taking prescription or non-prescription health products that may affect the study endpoint in 6 months prior to visit 1 or during the study, such as hormone replacement therapy (testosterone, estrogen, progesterone, etc.), anabolic steroids, chemotherapy, intravenous or oral B vitamins, 5α-reductase inhibitors (e.g minoxidil, finasteride, etc.), medications with anti-androgenic properties (e.g. cyproterone, pironolacotne, ketoconazole, flutamide, bicalutamide), medications that can potentially cause hypertrichosis (e.g. ciclosporin, diazoxide, phenytoin, psoralens), oral glucocorticoids (inhaled glucocorticoids are permitted), lithium or phenothiazines, medications of known or suspected photoxocity (e.g., tetracyclines, thiazides, certain NSAIDs) and any other medications which, in the opinion of the investigator, may interfere with the performance of study assessments or place the subject at undue risk.
* Use of sulfonamides within 3 months prior to visit 1
* Unstable use (i.e. initiation or change in dose) medications for a thyroid condition within 3 months prior to visit 1
* Use of multivitamins within 2 weeks prior to visit 2a
* Use of Vitamin D containing supplements (≥500IU/day) within 4 weeks prior to visit 2a
* Use of Vitamin B7 (Biotin) containing supplements within 1 week prior to visit 2a
* Use of facial hair dyes (e.g. Just for Men®) in the previous 3 months and during the study
* Current use of depilatories, waxing, plucking or bleaching or current or prior use at any time of laser hair removal on the target test or surrounding area to an extent which, in the opinion of the investigator, may interfere with the performance of the study assessments
* Very little contrast between hair color and scalp (e.g., fair-haired with an extremely pale skin color)
* Use of any weight-loss programs or weight-loss medications (prescription or over-the counter) including, but not limited to, lipase inhibitors, within 6 months prior to visit 1 and throughout the study
* Individuals with an outdoor occupation (e.g. landscaper, surveyor, outdoor construction, etc.)
* Active skin diseases (e.g. eczema, atopic dermatitis, psoriasis, skin cancer, sun damaged skin with actinic keratosis, on facial/chin area)
* Damaged skin in or around test site including sunburn, uneven skin tones, tattoos, scars or other disfiguration of the test site
* Routine high dosage use of anti-inflammatory medications (such as aspirin, ibuprofen, corticosteroids, etc), immunosuppressive drugs or antihistamine medications. Steroid nose drops and/or eye drops are permitted. Two 81mg or one 325mg aspirin per day is also permitted.
* Use of topical drugs on the face or underneath chin area
* History of disorders affecting biotin metabolism (e.g. holocarboxylase synthetase (HCS) deficiency, biotinidase deficiency, biotin-responsive basal ganglia disease, multiple carboxylase deficiency)
* Presence of major diseases such as diabetes, gastrointestinal, endocrine, cardiovascular, renal, or liver disease
* History of neurological disease (e.g. Parkinson's disease, stroke, traumatic brain injury, etc.)
* History of cancer in the past 5 years
* Uncontrolled hypertension defined as a seated resting systolic blood pressure ≥140 mmHg and/or diastolic blood pressure ≥90 mmHg
* Abnormal laboratory test results of clinical significance, including, but not limited to ALT or AST ≥1.5X the upper limit of normal at screening (Visit 1)
* Presence or history (past 6 months) of alcohol or drug abuse; alcohol use of \>2 standard alcoholic drinks per day
* Participant has a known allergy or intolerance to any of the ingredients in the test product or placebo
* Participant is unwilling or unable to abide by the requirements of the protocol
* Any condition that would interfere with the participant's ability to comply with study instructions, might confound the interpretation of the study, or put the participant at risk
* Participant has taken an investigational medicine or has participated in a research study within 30 days prior to first study visit
Healthy Volunteers:
True
Sex:
MALE
Minimum Age:
18 Years
Maximum Age:
40 Years
Study:
NCT03659994
Study Brief:
Protocol Section:
NCT03659994