The protective lipid mantle surrounding skin cells in the epidermis in the stratum corneum, or the horny layer, is crucial for...

Hydroxy acids include: alpha-hydroxy acids (AHA), beta-hydroxy acids (BHA), polyhydroxy acids (PHA), and bionic acids. Chemical or acid...

SURFACE-ACTIVE SUBSTANCES (referred to as SAS): Cleansing the skin on the face is the foundation of every skincare routine - only...

As I mentioned in the previous post, our skin is composed of 3 main layers (from inner to outer): 1. SUBCUTANEOUS TISSUE Crucial for skin...