The stratum corneum is the skin’s barrier and is the top layer of the epidermis. In the epidermis, keratinocyte stem cells reside in the basal layer, which is the lowest layer of the stratified epithelia. These cells divide further and differentiate as ...

With winter upon us, the cooler weather brings about cozy sweaters, long pants, and, often, little desire for clients to keep up with their waxing services. With the change in season, getting dressed each morning now requires layer upon layer of clothing ...

While it is true that seasonal treatments are here today and gone tomorrow, they can deliver a lasting impact on a spa’s reputation and revenue potential. Visits to spas and resorts often fluctuate according to the time of year and a spa’s location. So, ...

Tartaric acid: This naturally-occurring alpha hydroxy acid is found in foods like fermented grapes and apricots. It helps stabilize a product’s pH level and it also boosts the sloughing effects of glycolic and lactic acid. Tartaric acid: This naturally-occurring ...

Thumbing through a beauty magazine or a luxury resort brochure one will probably see the serene image of a recumbent woman wearing a pristine robe and artfully wrapped towel turban, her face slathered in a luscious cream mask with perfectly shaped cucumber ...