Efficacy test of CNT for skin.

Before-after study of the efficacy of Contact Needle Therapy (CNT) on skin appearances and physiological properties. - Efficacy test of CNT for skin.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000039625

Enrollment

Registered

2020-04-01

Start date

2016-10-26

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 females

Interventions

Apply the CNT for skin around cheek area.

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Healthy females

Exclusion criteria

Exclusion criteria: -Subjects with trouble on facial skin like atopic dermatitis, eczema and pollen allergy. -Currently, subjects who are in the dermatology department or regularly visited. Expectant and nursing women. -Subjects who have a history of allergies to cosmetics. -Subjects who participate in other tests. -Subjects who live irregular lives. -Subjects who have unstable menstrual cycles. -Subjects deemed inappropriate to participate in this study by the principle investigator.

Design outcomes

Primary

Measure	Time frame
The improvement of the perceived skin texture evaluated by respondents between before and after CNT.	—

Secondary

Measure	Time frame
Evaluation of the water content of stratum corneum, morphological feature of vessel, blood flow and the skin color.	—

Countries

Japan

Contacts

Public ContactKeiichi Sugata

Kao Corporation Biological Science Research

sugata.keiichi@kao.com+81-465-34-6116

Outcome results

None listed

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