PCL (Polycaprolactone) makes the skin produce natural collagen,
thas is responsible for skin regeneration due to its speciﬁc characteristics.
PCL is conﬁdently used as surgery stitch thread which is totally safe
to the human body, PCL structure as an ingredient in cosmetology products was approved by FDA.
PCL long lasts up to two years. PCL is safe because it completely biodegrades and absorbed in the humans body through the hydrolysis process.