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Clinical trial for the assessment of the efficacy of a food supplement in improving hair appearance

Randomized placebo-controlled clinical trial for the assessment of the efficacy of a food supplement in improving hair appearance

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN12083119
Enrollment
66
Registered
2026-07-23
Start date
2026-03-03
Completion date
Unknown
Last updated
2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Thin, brittle hair that breaks easily Skin and Connective Tissue Diseases

Interventions

The active intervention consisted of a food supplement containing L-cystine, vitamin C, ceramides, Cotinus coggygria bark extract, zinc, folic acid, and vitamin B12. The placebo consisted of a compara

Sponsors

Bios Line S.p.A.
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
18 Years to 62 Years

Inclusion criteria

Inclusion criteria: 1. Good general health 2. Caucasian ethnicity 3. Female sex 4. Age between 18 and 60 (+2) years old 5. Thin, brittle hair that breaks easily 6. Agree to not to take any treatment (oral or topic) able to interfere with the hair strength during the whole study duration 7. Willingness not to dye/blench hair during the 2 weeks preceding each visit 8. Willingness not to cut hair for the entire study length 9. Registered with health social security or health social insurance 10. Signed their written Informed Consent form (ICF) and Privacy Policy for their participation in the study and a photograph authorization 11. Able to understand the language used in the investigation centre and the information given 12. Able to comply with the protocol and follow protocol constraints and specific requirements 13. Willingness to take during the entire study period only the product to be tested 14. Willingness not to use/take similar products/food supplement that could interfere with the product to be tested 15. Willingness to not vary the normal daily routine (i.e. lifestyle, physical activity, diet, etc) 16. Under effective contraception (oral/not oral) if women of childbearing potential; not expected to be changed during the trial

Exclusion criteria

Exclusion criteria: 1. Do not meet the inclusion criteria 2. Taking part or planning to participate to another clinical study in the same or in another investigation centre 3. Deprived of freedom by administrative or legal decision or under guardianship 4. Admitted to a sanitary or social facilities 5. Planning a hospitalization during the study 6. Under treatment with food supplements which could interfere with the functionality of the product under study 7. Participated in another clinical study with anti-hair loss product or treatment within the last 24 weeks before the inclusion visit 8. Breastfeeding or pregnant or not willing to take necessary precautions to avoid pregnancy during the study (if women of childbearing potential) 9. Has started or changed oestrogen-progesterone contraception or hormonal treatment, within the 3 months prior to the study or foreseeing it for the duration of the study 10. Having an acute, chronic or progressive illness liable to interfere with the study data or considered by the Investigator hazardous for the subject or incompatible with the study requirements 11. Under radiotherapy or chemotherapy at any time 12. Under locally pharmacological/non-pharmacological treatment applied on the area of interest monitored during the test 13. Eating disorders 14. Any other hair disorder or hair disease (female-pattern hair loss, any type of alopecia) 15. Excessive and/or fluctuating hair shedding for more than 6 months 16. History or clinical signs of hyperandrogenaemia 17. Any hair care product applied on the scalp between the last shampoo and the inclusion visit (e.g., gel, hairspray, wax, foam) 18. Scalp surgery (hair transplants, laser) at any time

Design outcomes

Primary

MeasureTime frame
60-seconds hair count measured using a standardized brushing procedure (hair combing) at baseline and after 28 days and 84 days of treatment;Hair elasticity (hair elongation) measured using a dynamometer (C610 Autotensile Tester, Labthink) at baseline and after 28 days and 84 days of treatment;Hair radiance measured using a spectrophotometer/colorimeter CM 700D (Konica Minolta) at baseline and after 28 days and 84 days of treatment;Overall hair appearance measured using expert scoring at 28 days and 84 days of treatment

Secondary

MeasureTime frame
Efficacy perceived and the pleasantness of the product measured using a self-evaluation questionnaire at the end of the study (84 days)

Countries

Italy, Spain

Contacts

Public ContactSabrina Ghirlanda
sabrina.ghirlanda@complifegroup.com+39 (0)382 25504

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Aug 10, 2026