Tech Library - cystine

Oct 17, 2012 | Article

Hair generally can be straight, wavy, curly, or kinky. A human hair strand includes three concentric layers known as the cuticle (a thin, outer-most shell), the cortex (the main body of the hair)...

Oct 17, 2012 | Article

Process for Permanently Reshaping Hair Using Mercaptosiloxane Composition

The first technique for obtaining permanent reshaping of the hair consists, in a first stage, in opening the --S--S-- disulfide bonds of keratin (keratocystine) using a composition containing a...

Jul 7, 2010 | Article

Microstructural features of curved hair

Appearance of hair is affected by shape of hair, color and luster. In the recent past it has been observed that age plays an important role in hair appearance. The number of curved fibers increase...

Mar 23, 2007 | Article

A Lot of New Wrinkles In the Anti-Aging Segment

By Navin M. Geria

Skin becomes thinner primarily due to a loss of subcutaneous fat. The ceramide content of stratum corneum decreases with advancing age, presumably diminishing barrier function. Skin loses elasticity...