More than 1 sample in each individual
Number of samples in each individual:
2
In group a, all patients are treated with mesenchymal stem cell conditioned medium in one half of the face in combination with noncross linked hyaluronic acid, and in the opposite half, noncross linked hyaluronic acid is injected alone. In group b, all patients are injected with prp in one half of the face. with noncross-linked hyaluronic acid, and in the opposite half, injection of noncross-linked hyaluronic acid is performed alone.