Appearance：White crystalline powder

Assay：98-101%

Molecular structure：

Molecular weight：128.11

Shelf life：three years

Molecular formula：C5H7NO3

CAS Number：98-79-3

Usage：L-Pyroglutamic acid is one of the main components of the natural moisturizing factor of the skin.And non-toxic, no stimulation, is the modern skin care, hair care cosmetics excellent raw materials.