Overview
To explore the clinical effect and safety of 35 kDa hyaluronic acid fragment ( HA35 ) combined with negative pressure microneedle technology in improving skin problems.
Eligibility
Inclusion Criteria:
- Skin problems include but are not limited to dry skin, dark skin, and coarse pores.
- Chronic skin inflammation, pigmentation, erythema, etc.
- Cooperate with the experimental requirements and be able to complete the score independently。
Exclusion Criteria:
- Pregnant or lactating women.
- Suffering from psychological or mental illness.
- Life is not regular, overeating.
- Hypersensitive to hyaluronic acid, and has a scar constitution.