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 Acne is a very common skin disorder in the USA. It affects about 85% of adolescents, and comedos, an early stage of acne that may or may not develop into acne, affects practically all...
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...