UMIN-ICDS Clinical Trial

Unique ID issued by UMIN UMIN000062703
Receipt number R000057814
Scientific Title Study to evaluate the effect of peeling cosmetics containing phytic acid on skin
Date of disclosure of the study information 2026/08/30
Last modified on 2026/08/26 20:15:12

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Basic information

Public title

Study to evaluate the effect of peeling cosmetics containing phytic acid on skin

Acronym

Study to evaluate the effect of peeling cosmetics containing phytic acid on skin

Scientific Title

Study to evaluate the effect of peeling cosmetics containing phytic acid on skin

Scientific Title:Acronym

Study to evaluate the effect of peeling cosmetics containing phytic acid on skin

Region

Japan


Condition

Condition

Healthy adults

Classification by specialty

Dermatology

Classification by malignancy

Others

Genomic information

NO


Objectives

Narrative objectives1

Verification of the efficacy of a peeling agent containing phytic acid on the skin of healthy men.

Basic objectives2

Efficacy

Basic objectives -Others


Trial characteristics_1


Trial characteristics_2


Developmental phase



Assessment

Primary outcomes

Sebum level

Key secondary outcomes

Wrinkle score, Texture score, Red area score


Base

Study type

Interventional


Study design

Basic design

Parallel

Randomization

Non-randomized

Randomization unit


Blinding

Single blind -participants are blinded

Control

Placebo

Stratification


Dynamic allocation


Institution consideration


Blocking


Concealment



Intervention

No. of arms

2

Purpose of intervention

Treatment

Type of intervention

Other

Interventions/Control_1

Subjects will apply phytic acid formula to the entire face, then rinse off the product thoroughly and apply a moisturizing gel, once a day for 12 weeks.

Interventions/Control_2

Subjects will apply placebo formula to the entire face, then rinse off the product thoroughly and apply a moisturizing gel, once a day for 12 weeks.

Interventions/Control_3


Interventions/Control_4


Interventions/Control_5


Interventions/Control_6


Interventions/Control_7


Interventions/Control_8


Interventions/Control_9


Interventions/Control_10



Eligibility

Age-lower limit

20 years-old <=

Age-upper limit

60 years-old >

Gender

Male

Key inclusion criteria

-Men between the ages of 20 and 60 years old.
-Who can be confirmed good health and free from chrocic physical disease by medical interview.
-Who not be using any cosmetics with medicinal effects.
-Who have been fully informed of the purpose and content of the study, have the ability to consent, and be able to voluntarily agree to participate in the study in writing upon full understanding of the study.
-Who be able to come to the laboratory on the designated examination date and be able to undergo the examination.
-Who be approved participate in the study by investigator.

Key exclusion criteria

-Who are currently undergoing drug treatment for some disease.
-Who have serious skin diseases such as dermatitis.
-Who cannot intentionally refrain from being exposed to direct sunlight during the study period, for example, by sunbathing.
-Who show statistical outliers in measurements related to the primary and secondary outcomes of the study.
Who with allergies (to pharmaceuticals or products related to test materials).
-Who have a current or past habit of continuous ingestion or application of drugs claiming to improve the skin.
-Who use cosmetics that have a strong effect on the skin (the investigator will determine)
-Who are deemed inappropriate for this study by the investigator.

Target sample size

30


Research contact person

Name of lead principal investigator

1st name Toshio
Middle name
Last name Nakamura

Organization

Tsuno Rice Fine Chemicals Co., LTD

Division name

Research and Development

Zip code

649-7194

Address

2283, Chonomachi, Ito-gun, Katsuragi-cho, Wakayama

TEL

0736-26-5032

Email

Nakamura.toshi@tsuno.co.jp


Public contact

Name of contact person

1st name Mizuka
Middle name
Last name Kobayashi

Organization

Tsuno Rice Fine Chemicals Co., LTD

Division name

Research and Development

Zip code

649-7194

Address

2283, Chonomachi, Ito-gun, Katsuragi-cho, Wakayama

TEL

0736-26-5032

Homepage URL


Email

Nakamura.toshi@tsuno.co.jp


Sponsor or person

Institute

Tsuno Rice Fine Chemicals Co., LTD

Institute

Department

Personal name



Funding Source

Organization

Self

Organization

Division

Category of Funding Organization

Self funding

Nationality of Funding Organization



Other related organizations

Co-sponsor


Name of secondary funder(s)



IRB Contact (For public release)

Organization

Tsuno Rice Fine Chemicals Co., LTD

Address

2283, Chonomachi, Ito-gun, Katsuragi-cho, Wakayama

Tel

0736-26-5032

Email

Nakamura.toshi@tsuno.co.jp


Secondary IDs

Secondary IDs

NO

Study ID_1


Org. issuing International ID_1


Study ID_2


Org. issuing International ID_2


IND to MHLW



Institutions

Institutions



Other administrative information

Date of disclosure of the study information

2026 Year 08 Month 30 Day


Related information

URL releasing protocol

Nothing

Publication of results

Published


Result

URL related to results and publications

Nothing

Number of participants that the trial has enrolled

39

Results

Primary Outcomes
Sebum production: In Week 4, a statistically significant difference was observed between the phytic acid group and the placebo group.
Secondary outcomes

Results date posted

2026 Year 08 Month 26 Day

Results Delayed


Results Delay Reason

Because data analysis and content verification took longer than expected.

Date of the first journal publication of results

2024 Year 08 Month 31 Day

Baseline Characteristics

39 healthy men in their 20s to 50s (19 in the placebo group, 18 in the phytic acid group)
Placebo group: 39.1 years old
Phytic acid group: 38.8 years old

Participant flow

Recruited 41 participants.
Included 39 participants who did not meet the exclusion criteria.
Divided them into two groups with balanced means for age, primary outcomes score, and secondary outcomes score, and began the trial.
Two participants in the placebo group dropped out because they did not complete the required number of sessions.
The final analysis was conducted with 18 participants in the placebo group and 19 in the phytic acid group.

Adverse events

Nothing

Outcome measures

Sebum levels, skin viscoelasticity, melanin index, wrinkle score, skin texture score, and redness score based on image analysis
Skin condition based on the VAS questionnaire

Plan to share IPD


IPD sharing Plan description



Progress

Recruitment status

Completed

Date of protocol fixation

2023 Year 03 Month 31 Day

Date of IRB

2023 Year 04 Month 06 Day

Anticipated trial start date

2023 Year 04 Month 07 Day

Last follow-up date

2023 Year 08 Month 31 Day

Date of closure to data entry

2023 Year 09 Month 30 Day

Date trial data considered complete

2023 Year 12 Month 31 Day

Date analysis concluded

2025 Year 12 Month 31 Day


Other

Other related information



Management information

Registered date

2026 Year 08 Month 26 Day

Last modified on

2026 Year 08 Month 26 Day



Link to view the page

Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000057814