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Study of Efficacy and Safety of Cream Infused With HuangQin (Root of Scutellaria Baicalensis) Extract for the Reduction of Hyperpigmentation

Study of Efficacy and Safety of Cream Infused With HuangQin (Root of Scutellaria Baicalensis) Extract for the Reduction of Hyperpigmentation

Status
Completed
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07133204
Enrollment
38
Registered
2025-08-20
Start date
2025-04-01
Completion date
2025-07-20
Last updated
2025-08-20

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

Conditions

Hyperpigmentation; Melanin

Keywords

hyperpigmentation, scutellaria baicalensis, melanin index

Brief summary

The aim of this study is to evaluate the efficacy of a topical cream infused with Scutellaria baicalensis extract in reducing hyperpigmentation on the face. The study is experimental clinical pilot study as a single group pretest-posttest. A ROAT is conducted 1 week prior to the experiment. Participant apply the cream on the hypigmented area daily. Facial skin parameters (i.e. melanin index, erythema index) is evaluated at week 0, 1, 2 and 4.

Interventions

OTHERInvestigator developed cream infused with HuangQin extract

A water in oil emulsion with consistency similar to cold cream. Infused with organic extract of scutellaria baicalensis.

Sponsors

Mae Fah Luang University
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
30 Years to 60 Years
Healthy volunteers
Yes

Inclusion criteria

* Male or Female * Has at least 1 hyperpigmentation spot (size \> 3mm) on either side of the face * 30-60 y/o * Fitzpatrick skin types II-IV * Agrees to use sunscreen SPF50+ and willing to avoid strong sunlight exposure during the study

Exclusion criteria

* Pregnant or lactating * Use of whitening products or treatment within 1 month before this study * Currently using contraceptives * History of allergy to any ingredient in the intervention cream * Has skin conditions which can interfere with the measurement (i.e. severe acne, eczema, herpes simplex) * Severe disease (i.e. immunodeficiency, cancer) * Enrolled in other clinical study within 3 month before this study

Design outcomes

Primary

MeasureTime frameDescription
Efficacy of hyperpigmentation reduction property of the interventionWeek 0, 1, 2 and 4Measured the melanin index of the hyperpigmented area
Safefty profile of the interventionWeek 1, 2 and 4Record and collect the adverse effect from the usage of the interventional cream

Secondary

MeasureTime frameDescription
Efficacy of erythema reduction property of the interventionWeek 0, 1, 2 and 4Measured the erythema index of the hyperpigmented area
Efficacy of skin hydration property of the interventionWeek 0, 1, 2 and 4Measured the skin hydration value of the hyperpigmented area

Countries

Thailand

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026