2565
The results showed that the studied nanodispersions may represent a promising new non - viral vehicle and can be considered highly advantageous in the treatment of skin disorders ; they were effective in optimizing the skin penetration of siRNA and reducing the levels of the model protein GAPDH without causing skin irritation .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None