| abstract |
The present invention relates to a composition which includes an exosome derived from stem cells or culture media thereof, and has the effects of treating scars, improving skin, and preventing or treating hair loss. The stem cell or stem cell culture medium-derived exosome provided in the present invention has excellent skin permeability, and also has excellent skin moisturizing, skin whitening, wrinkle improving, and anti-aging effects when absorbed, and does not irritate the skin or have side-effects on the skin, thus being safe. Moreover, the stem cell or stem cell culture medium-derived exosome has outstanding hair growth and hair restoration effects, and thus exhibits outstanding hair loss prevention and treatment effects. The exosome can be ingested or applied onto the skin without any side-effects, and is thus safe. |