What’s the Perfect Skin Care Dose?

In an effort to maximize the efficiency of skin care products, it’s often tempting to slather on creams and serums with abandon. But to achieve the best results from your skin care, how much is too much? Often, the answer is quite simple: A little goes a long way. Clinical skin care products are typically formulated with high concentrations of potent ingredients like retinol, vitamin C and alpha hydroxy acids. When these products are not applied in controlled doses, the skin may react ...