| abstract |
The present invention relates to a composition for maintaining efficacy of a filler for a long period of time by containing collagen as an active ingredient. The composition according to the present invention is useful since the composition can promote the synthesis of hyaluronic acid and inhibit activity of hyaluronidase, thereby maintaining the efficacy of a hyaluronic acid filler for a longer period of time. Therefore, even with less number of times of filler injection, the efficacy of the filler can be maintained and skin irritation can be also reduced. |