| abstract |
The present invention provides a freeze-dried preparation of stem cell-derived exosomes used for the prevention, suppression, alleviation, improvement or treatment of acne and a composition for preventing, suppressing, alleviating, improving or treating acne comprising the same as an active ingredient. The freeze-dried preparation of stem cell-derived exosomes of the present invention or a composition comprising the same as an active ingredient can prevent, suppress, alleviate, improve or treat acne while stabilizing stem cell-derived exosomes, skin troubles related to acne symptoms, etc. Can alleviate or improve. In addition, the freeze-dried preparation of stem cell-derived exosomes of the present invention or a composition containing the same as an active ingredient has excellent anti-inflammatory effects against inflammation that is aggravated by acne symptoms and is a major cause of acne. Compared to the purified stem cell-derived exosomes, it exhibits remarkably superior anti-inflammatory efficacy. |