Skin appearance can be markedly improved by using Na-PCA, the sodium salt of 2-pyrrolidone-5-carboxylic acid, the principal natural humectant (moisturizer) in your skin. The ability of skin to hold moisture is directly related to its Na-PCA content. The ability of Na-PCA to pull water out of the air is amazing. If you put out a […]
Skin is a visible organ which suffers cross-linking damage. However, unlike other tissues, skin is exposed to considerable ultraviolet light (UV) energy from sunlight. Ultraviolet light is a major cause of skin cross-linking. This type of damage can be prevented or retarded by staying out of sunlight or using sun-block preparations containing esters of PABA […]
Read more Cross-linked Molecules and Aging in Skin, Arteries, and Other Tissues IV