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Confirmation study on the skin-improving effects of plant extract intake

Confirmation study on the skin-improving effects of tomato seed extract intake: A randomized, double-blind, placebo-controlled, parallel-group study - Confirmation study on the skin-improving effects of plant extract intake

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000055430
Enrollment
40
Registered
2024-09-05
Start date
2023-09-04
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

Healthy Adults

Interventions

Take supplements containing plant extracts for 12 weeks. Take placebo supplements for 12 weeks.

Sponsors

Shiba Palace Clinic
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: 1.Individuals concerned about crow's feet wrinkles. 2.Individuals who perceive a lack of firmness or elasticity in their facial skin. 3.Individuals able to consume the test product as directed during the study period. 4.Individuals who agree not to change or add to their current skincare products during the study period. 5.Individuals who agree to avoid excessive sun exposure and dieting during the study period.

Exclusion criteria

Exclusion criteria: 1. Individuals with food allergies. 2. Individuals who are breastfeeding, pregnant, or planning to become pregnant during the study period. 3. Individuals who have received cosmetic medical treatments on the face within the past year or plan to do so during the study period. 4. Individuals currently experiencing moderate to severe atopic dermatitis symptoms, or those using topical treatments frequently on the entire face for atopic dermatitis. 5. Individuals with skin diseases, allergies, or other conditions that may worsen by participating in the study. 6. Individuals with noticeable spots, moles, or birthmarks on the face. 7. Individuals with severe sunburns or those who cannot avoid prolonged outdoor activities or sports. 8. Individuals with a history of major gastrointestinal surgery, or those with respiratory or cardiac disorders. 9. Individuals undergoing or who have undergone hormone replacement therapy for menopausal disorders, unless more than 6 months have passed since the treatment. 10. Individuals who regularly use medications, quasi-drugs, supplements, or health foods that may affect the outcome of the study (e.g., vitamins, hormones, or products claiming skin benefits). 11. Smokers, habitual alcohol consumers, or individuals with extremely irregular eating habits.

Design outcomes

Primary

MeasureTime frame
Wrinkle evaluation

Secondary

MeasureTime frame
Measurement of skin conditions (DermaLab, VISIA-Evolution,questionnaire)

Countries

Japan

Contacts

Public ContactMiwa Kaneko

SOUKEN Co., Ltd Management Division

m_kaneko@mail.souken-r.com03-5406-1555

Outcome results

None listed

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