Centella Asiatica can tighten the connection between the 
epidermis and the dermis, soften the skin, help promote the 
formation of collagen in the dermis, and have the effect of 
tightening the skin. 
Asiaticoside can treat skin ulcers, such as intractable wounds, 
skin tuberculosis, leprosy, etc. In mice, guinea pigs, and 
rabbits, intramuscular injection or subcutaneous implantation 
can promote skin growth, increase local leukocytes, hyperplasia 
of connective tissue coil network, increase mucus secretion, and 
accelerate the growth of hair and tail. There have been reports 
of using creams containing 0.25 to 1% alcohol extract of 
Centella asiatica (containing asiatic acid and asiaticoside) 
(which still contains the skin, liver, and brain of embryonic or 
young cattle, pigs, or sheep). hydroalcoholic extract) to treat 
skin diseases and achieved good results.