Over-the-counter (OTC) anti-aging products represent a billion dollar market and still expanding. However, according to a recent study, there are not enough clinical researches to prove the efficacy of many of these products available in the market. The study, lead by plastic surgeon A. Miller, has been published in the July/August 2007 issue of the Aesthetic Surgery Journal.

Study Highlights
a. This study highlights the need for more research and public consciousness on the effectiveness of over-the-counter (OTC) anti-aging products.
b. Researchers studied existing research on common ingredients found in such products.
c. The main ingredients were vitamins, antioxidants, alpha-hydroxyl acids, moisturizers, pentapeptides and botanicals.
d. Researchers found that Vitamin C, alpha-hydroxyl acids and pentapeptides were extensively used for their anti-aging benefits.
e. Vitamin A, or retinols have been found to be effective only in prescription-strength formulations.
f. Vitamin B has been found to be beneficial though not much research has been conducted on it.
g. Moisturizers have been found to hydrate and improve the appearance of the skin. But this has not been extensively researched.
h. The healing properties of grape seed extract, soy compounds, green tea and Gingko biloba have not been proved by any human trials.
i. However, these botanicals have undergone animal experiments and cell culture to determine their effects on collagen, as healing agents and their antioxidant activities.