Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Determining the effectiveness of microneedling and fractional RF laser in skin lightening
| Effect on skin lightening | Group | P | |
|---|---|---|---|
| Microneedling N(%) |
Fractional N(%) |
||
| Weak | 3(12) | 7(28) | 0.53 |
| Medium | 15(60) | 12(48) | |
| Good | 4(16) | 4(16) | |
| Excellent | 3(12) | 2(8) | |
