Skip to content

Research on the whitening effect of a combination of whitening ingredients

Research on the anti-pigmentation effect of a new combination of whitening ingredients in humans - Research on the anti-pigmentation effect of whitening ingredients in humans

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000054108
Enrollment
16
Registered
2024-12-31
Start date
2024-01-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

Whitening

Interventions

Application to human skin Application to human skin Application to human skin Application to human skin Application to human skin Application to human skin

Sponsors

Technoble Co., Ltd.
Lead Sponsor

Eligibility

Sex/Gender
Male

Inclusion criteria

Inclusion criteria: We will be recruiting test participants internally. As a requirement for participation, we will recruit those who have self-diagnosed and have no abnormalities in the inner part of their forearm, which is the test site.The test director will confirm the condition of the applicant's inner part of the forearm, and then decide whether or not to participate. do. For those who are determined to be able to participate, consent will be explained as follows.

Exclusion criteria

Exclusion criteria: Those who meet the following conditions that may have an impact on this research will be excluded. (1) Conditions on the skin of the test site (inner forearm) that may affect the test results (cuts, abrasions, diseases such as hives, inflammation, eczema, acne, warts, spots, etc.) or traces of it) (2) People with photosensitivity who can easily develop painful swelling and blisters even when exposed to a small amount of ultraviolet light. (3) Persons with a past or present history of atopic dermatitis or those with atopic factors (4) Those who are taking the following medicines. Drugs that suppress inflammation Adrenal corticosteroids, antiallergic agents, antihistamines, etc. Drugs and health foods that cause photosensitivity Antibacterial agents, diuretics, antihypertensive agents, antibiotics, chlorella foods, etc. for the treatment of infections. Vitamin C-based drug preparations, vitamin EC-based drug preparations, SH-based drug preparations, and tranexamic acid-containing preparations, etc. (5) Those who regularly use whitening products, sunscreen cream, etc. on the test area (6) Those with a history of photosensitivity or photoallergy (7) Those who have been exposed to ultraviolet rays in the past 4 weeks beyond their normal daily activities, such as working outdoors for long periods of time, exercising, swimming at the beach, or having leisure activities. Or those who have plans to do so during the exam period. (8) Those who are at risk of developing allergies to cosmetics or food. (9) Those who are participating in other human clinical research (all human trials using quasi-drugs, cosmetics, foods, pharmaceuticals, medical devices, etc.) on the day consent was obtained, or who are conducting this research. Those who plan to participate in other human clinical research during the scheduled period

Design outcomes

Primary

MeasureTime frame
Degree of pigmentation

Countries

Japan

Contacts

Public ContactYohsuke Hada

Technoble Co., Ltd. Life Science General Institute

hada@technoble.co.jp06-6532-9741

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026