By Hannah Sivak, PhD Senior Scientist Skin Actives Scientific LLC The price of skin care If you think that quality of skin care is proportional to price, think again. For the most famous names, the ingredients...
By Hannah Sivak, PhD We all will lose hair. If you are a woman, it may happen because you were not kind to your hair and scalp, or because around menopause estrogen levels go down and the receptors for...
By Hannah Sivak, PhD Skin Actives Scientific LLC Why should we care about collagen?I get lots of questions about how to increase collagen. Why should we care about collagen? Collagen fibers give the skin...