1:placebo,1ml/ time, 2 times / day

2 trials

Sponsors

Ji'nan Municipal Central Hospital

Conditions

Facial pigmentationmelasma

Phase 3

Study on the transdermal absorption of traditional Chinese medicine ingredients of freckle tight wrinkle essence and its freckle removing mechanism

Active, not recruitingChiCTR2200062086

Ji'nan Municipal Central Hospitalmelasma

Start: 2022-07-22Updated: 2023-04-03

Study on transdermal absorption and whitening mechanism of traditional Chinese medicine ingredients in Yurong whitening essence

Active, not recruitingChiCTR2200062085

Ji'nan Municipal Central HospitalFacial pigmentation

Start: 2022-07-22Updated: 2023-04-03